diff --git a/common/tools/maxfee.py b/common/tools/maxfee.py
index d0ec7baef..4cfbe73ca 100644
--- a/common/tools/maxfee.py
+++ b/common/tools/maxfee.py
@@ -39,7 +39,7 @@ def round_sats(sats, precision=1):
 
 def compute_maxfee(maxcost, price, txsize):
     coins_per_tx = maxcost / price
-    sats_per_tx = coins_per_tx * 10 ** 8
+    sats_per_tx = coins_per_tx * 10**8
     tx_per_kb = 1024.0 / txsize
     sats_per_kb = sats_per_tx * tx_per_kb
     return int(sats_per_kb)
diff --git a/core/src/apps/common/cbor.py b/core/src/apps/common/cbor.py
index 042b9e593..8de734f7e 100644
--- a/core/src/apps/common/cbor.py
+++ b/core/src/apps/common/cbor.py
@@ -50,13 +50,13 @@ _CBOR_RAW_TAG = const(0x18)
 def _header(typ: int, l: int) -> bytes:
     if l < 24:
         return struct.pack(">B", typ + l)
-    elif l < 2 ** 8:
+    elif l < 2**8:
         return struct.pack(">BB", typ + 24, l)
-    elif l < 2 ** 16:
+    elif l < 2**16:
         return struct.pack(">BH", typ + 25, l)
-    elif l < 2 ** 32:
+    elif l < 2**32:
         return struct.pack(">BI", typ + 26, l)
-    elif l < 2 ** 64:
+    elif l < 2**64:
         return struct.pack(">BQ", typ + 27, l)
     else:
         raise NotImplementedError  # Length not supported
diff --git a/core/src/trezor/crypto/rlp.py b/core/src/trezor/crypto/rlp.py
index 1660ff459..3cc3409b7 100644
--- a/core/src/trezor/crypto/rlp.py
+++ b/core/src/trezor/crypto/rlp.py
@@ -24,7 +24,7 @@ def _byte_size(x: int) -> int:
     if x < 0:
         raise ValueError  # only unsigned ints are supported
     for exp in range(64):
-        if x < 0x100 ** exp:
+        if x < 0x100**exp:
             return exp
 
     raise ValueError  # int is too large
diff --git a/crypto/tests/test_bignum.py b/crypto/tests/test_bignum.py
index b99685a1a..1aab86a2d 100755
--- a/crypto/tests/test_bignum.py
+++ b/crypto/tests/test_bignum.py
@@ -79,8 +79,8 @@ def int_to_bignum(number, limbs_number=limbs_number):
 
     bn = (limbs_number * limb_type)()
     for i in range(limbs_number):
-        bn[i] = number % 2 ** bits_per_limb
-        number //= 2 ** bits_per_limb
+        bn[i] = number % 2**bits_per_limb
+        number //= 2**bits_per_limb
 
     return bn
 
@@ -89,7 +89,7 @@ def bignum_to_int(bignum, limbs_number=limbs_number):
     number = 0
 
     for i in reversed(range(limbs_number)):
-        number *= 2 ** bits_per_limb
+        number *= 2**bits_per_limb
         number += bignum[i]
 
     return number
@@ -109,7 +109,7 @@ def integer_to_raw_number(number, endianess):
 
 def bignum_is_normalised(bignum):
     for limb in bignum:
-        if limb > 2 ** bits_per_limb:
+        if limb > 2**bits_per_limb:
             return False
     return True
 
@@ -127,20 +127,20 @@ class Random(random.Random):
         return self.randrange(0, 2 ** (limbs_number * bits_per_limb))
 
     def rand_int_256(self):
-        return self.randrange(0, 2 ** 256)
+        return self.randrange(0, 2**256)
 
     def rand_int_reduced(self, p):
         return self.randrange(0, 2 * p)
 
     def rand_int_bitsize(self, bitsize):
-        return self.randrange(0, 2 ** bitsize)
+        return self.randrange(0, 2**bitsize)
 
     def rand_bit_index(self):
         return self.randrange(0, limbs_number * bits_per_limb)
 
     def rand_bignum(self, limbs_number=limbs_number):
         return (limb_type * limbs_number)(
-            *[self.randrange(0, 256 ** 4) for _ in range(limbs_number)]
+            *[self.randrange(0, 256**4) for _ in range(limbs_number)]
         )
 
 
@@ -446,13 +446,13 @@ def assert_bn_sqrt(x_old, prime):
 
     assert bignum_is_normalised(bn_x)
     assert number_is_fully_reduced(x_new, prime)
-    assert x_new ** 2 % prime == x_old % prime
+    assert x_new**2 % prime == x_old % prime
 
 
 def assert_inverse_mod_power_two(x, m):
     return_value = lib.inverse_mod_power_two(c_uint32(x), c_uint32(m))
 
-    assert return_value * x % 2 ** m == 1
+    assert return_value * x % 2**m == 1
 
 
 def assert_bn_divide_base(x_old, prime):
@@ -467,7 +467,7 @@ def assert_bn_divide_base(x_old, prime):
     assert implication(
         number_is_partly_reduced(x_old, prime), number_is_partly_reduced(x_new, prime)
     )
-    assert x_new * 2 ** bits_per_limb % prime == x_old % prime
+    assert x_new * 2**bits_per_limb % prime == x_old % prime
 
 
 def assert_bn_inverse(x_old, prime):
@@ -610,7 +610,7 @@ def assert_bn_divmod10(x_old):
 def assert_bn_format(x, prefix, suffix, decimals, exponent, trailing):
     def format(amount, prefix, suffix, decimals, exponent, trailing):
         if exponent >= 0:
-            amount *= 10 ** exponent
+            amount *= 10**exponent
         else:
             amount //= 10 ** (-exponent)
 
@@ -684,8 +684,8 @@ def test_bn_bitcount_1(r):
 
 
 def test_bn_bitcount_2(bignum_bit_index):
-    assert_bn_bitcount(2 ** bignum_bit_index - 1)
-    assert_bn_bitcount(2 ** bignum_bit_index)
+    assert_bn_bitcount(2**bignum_bit_index - 1)
+    assert_bn_bitcount(2**bignum_bit_index)
 
 
 def test_bn_digitcount_1(r):
@@ -693,8 +693,8 @@ def test_bn_digitcount_1(r):
 
 
 def test_bn_digitcount_2(bignum_decimal_digit_index):
-    assert_bn_digitcount(10 ** bignum_decimal_digit_index - 1)
-    assert_bn_digitcount(10 ** bignum_decimal_digit_index)
+    assert_bn_digitcount(10**bignum_decimal_digit_index - 1)
+    assert_bn_digitcount(10**bignum_decimal_digit_index)
 
 
 def test_bn_zero():
@@ -711,7 +711,7 @@ def test_bn_is_zero_1():
 
 
 def test_bn_is_zero_2(bignum_bit_index):
-    assert_bn_is_zero(2 ** bignum_bit_index)
+    assert_bn_is_zero(2**bignum_bit_index)
 
 
 def test_bn_is_one_1():
@@ -720,7 +720,7 @@ def test_bn_is_one_1():
 
 
 def test_bn_is_one_2(bignum_bit_index):
-    assert_bn_is_one(2 ** bignum_bit_index)
+    assert_bn_is_one(2**bignum_bit_index)
 
 
 def test_bn_is_less_1(r):
@@ -734,7 +734,7 @@ def test_bn_is_less_1(r):
 def test_bn_is_less_2(r):
     a = r.rand_int_normalized()
     i = r.rand_bit_index()
-    b = a ^ 2 ** i
+    b = a ^ 2**i
     assert_bn_is_less(a, b)
 
 
@@ -829,8 +829,8 @@ def test_bn_mod_2(r, prime):
 
 
 def test_bn_multiply_long(r, prime):
-    x = r.randrange(floor(sqrt(2 ** 519)))
-    k = r.randrange(floor(sqrt(2 ** 519)))
+    x = r.randrange(floor(sqrt(2**519)))
+    k = r.randrange(floor(sqrt(2**519)))
     assert_bn_multiply_long(k, x)
 
 
@@ -841,8 +841,8 @@ def test_bn_multiply_reduce_step(r, prime):
 
 
 def test_bn_multiply(r, prime):
-    x = r.randrange(floor(sqrt(2 ** 519)))
-    k = r.randrange(floor(sqrt(2 ** 519)))
+    x = r.randrange(floor(sqrt(2**519)))
+    k = r.randrange(floor(sqrt(2**519)))
     assert_bn_multiply(k, x, prime)
 
 
@@ -880,7 +880,7 @@ def test_bn_sqrt_2(r, prime):
 
 def test_inverse_mod_power_two(r):
     m = r.randrange(1, 33)
-    i = r.randrange(1, 2 ** 29, 2)
+    i = r.randrange(1, 2**29, 2)
     assert_inverse_mod_power_two(i, m)
 
 
@@ -934,14 +934,14 @@ def test_bn_addmod(r, prime):
 def test_bn_addi_1(r):
     while True:
         a = r.rand_int_normalized()
-        b = r.randrange(2 ** 32 - 2 ** bits_per_limb + 1)
+        b = r.randrange(2**32 - 2**bits_per_limb + 1)
         if a + b < 2 ** (limbs_number * bits_per_limb):
             break
     assert_bn_addi(a, b)
 
 
 def test_bn_addi_2():
-    b = 2 ** 32 - 2 ** bits_per_limb
+    b = 2**32 - 2**bits_per_limb
     a = 2 ** (limbs_number * bits_per_limb) - 1 - b
     assert_bn_addi(a, b)
 
@@ -949,14 +949,14 @@ def test_bn_addi_2():
 def test_bn_subi_1(r, prime):
     while True:
         a = r.rand_int_normalized()
-        b = r.randrange(prime % 2 ** bits_per_limb)
+        b = r.randrange(prime % 2**bits_per_limb)
         if a + prime - b < 2 ** (limbs_number * bits_per_limb):
             break
     assert_bn_subi(a, b, prime)
 
 
 def test_bn_subi_2(prime):
-    b = (prime % 2 ** bits_per_limb) - 1
+    b = (prime % 2**bits_per_limb) - 1
     a = 2 ** (limbs_number * bits_per_limb) - 1 - prime + b
     assert_bn_subi(a, b, prime)
 
diff --git a/crypto/tests/test_curves.py b/crypto/tests/test_curves.py
index 6a60e9bdc..ea945c66a 100755
--- a/crypto/tests/test_curves.py
+++ b/crypto/tests/test_curves.py
@@ -202,7 +202,7 @@ def test_curve_parameters(curve):
 
 def test_point_multiply(curve, r):
     p = r.randpoint(curve)
-    k = r.randrange(0, 2 ** 256)
+    k = r.randrange(0, 2**256)
     kp = k * p
     res = POINT(int2bn(0), int2bn(0))
     lib.point_multiply(curve.ptr, int2bn(k), to_POINT(p), res)
@@ -236,8 +236,8 @@ def test_point_to_jacobian(curve, r):
     jp = JACOBIAN()
     lib.curve_to_jacobian(to_POINT(p), jp, int2bn(curve.p))
     jx, jy, jz = from_JACOBIAN(jp)
-    assert jx % curve.p == (p.x() * jz ** 2) % curve.p
-    assert jy % curve.p == (p.y() * jz ** 3) % curve.p
+    assert jx % curve.p == (p.x() * jz**2) % curve.p
+    assert jy % curve.p == (p.y() * jz**3) % curve.p
 
     q = POINT()
     lib.jacobian_to_curve(jp, q, int2bn(curve.p))
diff --git a/poetry.lock b/poetry.lock
index 744cb3cf6..71478b70d 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -47,29 +47,25 @@ pyflakes = ">=1.1.0"
 
 [[package]]
 name = "black"
-version = "21.12b0"
+version = "22.3.0"
 description = "The uncompromising code formatter."
 category = "main"
 optional = false
 python-versions = ">=3.6.2"
 
 [package.dependencies]
-click = ">=7.1.2"
+click = ">=8.0.0"
 mypy-extensions = ">=0.4.3"
-pathspec = ">=0.9.0,<1"
+pathspec = ">=0.9.0"
 platformdirs = ">=2"
-tomli = ">=0.2.6,<2.0.0"
+tomli = {version = ">=1.1.0", markers = "python_version < \"3.11\""}
 typed-ast = {version = ">=1.4.2", markers = "python_version < \"3.8\" and implementation_name == \"cpython\""}
-typing-extensions = [
-    {version = ">=3.10.0.0", markers = "python_version < \"3.10\""},
-    {version = "!=3.10.0.1", markers = "python_version >= \"3.10\""},
-]
+typing-extensions = {version = ">=3.10.0.0", markers = "python_version < \"3.10\""}
 
 [package.extras]
 colorama = ["colorama (>=0.4.3)"]
 d = ["aiohttp (>=3.7.4)"]
 jupyter = ["ipython (>=7.8.0)", "tokenize-rt (>=3.2.0)"]
-python2 = ["typed-ast (>=1.4.3)"]
 uvloop = ["uvloop (>=0.15.2)"]
 
 [[package]]
@@ -1011,7 +1007,7 @@ testing = ["pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "65f34c04e59cf2afeb3bb80b63027b00a6c13e395f0e2a1d354c2668f8de53d8"
+content-hash = "4ccf9c6db72fb71f6309c7fe7cf45911c86e44daba3c41b20d0366327f0b00af"
 
 [metadata.files]
 astroid = [
@@ -1030,8 +1026,29 @@ autoflake = [
     {file = "autoflake-1.4.tar.gz", hash = "sha256:61a353012cff6ab94ca062823d1fb2f692c4acda51c76ff83a8d77915fba51ea"},
 ]
 black = [
-    {file = "black-21.12b0-py3-none-any.whl", hash = "sha256:a615e69ae185e08fdd73e4715e260e2479c861b5740057fde6e8b4e3b7dd589f"},
-    {file = "black-21.12b0.tar.gz", hash = "sha256:77b80f693a569e2e527958459634f18df9b0ba2625ba4e0c2d5da5be42e6f2b3"},
+    {file = "black-22.3.0-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:2497f9c2386572e28921fa8bec7be3e51de6801f7459dffd6e62492531c47e09"},
+    {file = "black-22.3.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:5795a0375eb87bfe902e80e0c8cfaedf8af4d49694d69161e5bd3206c18618bb"},
+    {file = "black-22.3.0-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:e3556168e2e5c49629f7b0f377070240bd5511e45e25a4497bb0073d9dda776a"},
+    {file = "black-22.3.0-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:67c8301ec94e3bcc8906740fe071391bce40a862b7be0b86fb5382beefecd968"},
+    {file = "black-22.3.0-cp310-cp310-win_amd64.whl", hash = "sha256:fd57160949179ec517d32ac2ac898b5f20d68ed1a9c977346efbac9c2f1e779d"},
+    {file = "black-22.3.0-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:cc1e1de68c8e5444e8f94c3670bb48a2beef0e91dddfd4fcc29595ebd90bb9ce"},
+    {file = "black-22.3.0-cp36-cp36m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:6d2fc92002d44746d3e7db7cf9313cf4452f43e9ea77a2c939defce3b10b5c82"},
+    {file = "black-22.3.0-cp36-cp36m-win_amd64.whl", hash = "sha256:a6342964b43a99dbc72f72812bf88cad8f0217ae9acb47c0d4f141a6416d2d7b"},
+    {file = "black-22.3.0-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:328efc0cc70ccb23429d6be184a15ce613f676bdfc85e5fe8ea2a9354b4e9015"},
+    {file = "black-22.3.0-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:06f9d8846f2340dfac80ceb20200ea5d1b3f181dd0556b47af4e8e0b24fa0a6b"},
+    {file = "black-22.3.0-cp37-cp37m-win_amd64.whl", hash = "sha256:ad4efa5fad66b903b4a5f96d91461d90b9507a812b3c5de657d544215bb7877a"},
+    {file = "black-22.3.0-cp38-cp38-macosx_10_9_universal2.whl", hash = "sha256:e8477ec6bbfe0312c128e74644ac8a02ca06bcdb8982d4ee06f209be28cdf163"},
+    {file = "black-22.3.0-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:637a4014c63fbf42a692d22b55d8ad6968a946b4a6ebc385c5505d9625b6a464"},
+    {file = "black-22.3.0-cp38-cp38-macosx_11_0_arm64.whl", hash = "sha256:863714200ada56cbc366dc9ae5291ceb936573155f8bf8e9de92aef51f3ad0f0"},
+    {file = "black-22.3.0-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:10dbe6e6d2988049b4655b2b739f98785a884d4d6b85bc35133a8fb9a2233176"},
+    {file = "black-22.3.0-cp38-cp38-win_amd64.whl", hash = "sha256:cee3e11161dde1b2a33a904b850b0899e0424cc331b7295f2a9698e79f9a69a0"},
+    {file = "black-22.3.0-cp39-cp39-macosx_10_9_universal2.whl", hash = "sha256:5891ef8abc06576985de8fa88e95ab70641de6c1fca97e2a15820a9b69e51b20"},
+    {file = "black-22.3.0-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:30d78ba6bf080eeaf0b7b875d924b15cd46fec5fd044ddfbad38c8ea9171043a"},
+    {file = "black-22.3.0-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:ee8f1f7228cce7dffc2b464f07ce769f478968bfb3dd1254a4c2eeed84928aad"},
+    {file = "black-22.3.0-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:6ee227b696ca60dd1c507be80a6bc849a5a6ab57ac7352aad1ffec9e8b805f21"},
+    {file = "black-22.3.0-cp39-cp39-win_amd64.whl", hash = "sha256:9b542ced1ec0ceeff5b37d69838106a6348e60db7b8fdd245294dc1d26136265"},
+    {file = "black-22.3.0-py3-none-any.whl", hash = "sha256:bc58025940a896d7e5356952228b68f793cf5fcb342be703c3a2669a1488cb72"},
+    {file = "black-22.3.0.tar.gz", hash = "sha256:35020b8886c022ced9282b51b5a875b6d1ab0c387b31a065b84db7c33085ca79"},
 ]
 certifi = [
     {file = "certifi-2021.10.8-py2.py3-none-any.whl", hash = "sha256:d62a0163eb4c2344ac042ab2bdf75399a71a2d8c7d47eac2e2ee91b9d6339569"},
diff --git a/pyproject.toml b/pyproject.toml
index d5840654b..82d8b13f4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,7 +38,7 @@ typing-extensions = ">=3.7.4"
 ## style
 isort = "<5"  # 5 changes lots of stuff that need to be addressed first: https://timothycrosley.github.io/isort/docs/upgrade_guides/5.0.0/
 flake8 = ">=3.7.0"
-black = ">=20.8b0"
+black = ">=22.3"
 mako = "^1.0.7"
 munch = "^2.3.2"
 autoflake = "*"
diff --git a/python/src/trezorlib/_ed25519.py b/python/src/trezorlib/_ed25519.py
index 1112973ae..6f5a74bbf 100644
--- a/python/src/trezorlib/_ed25519.py
+++ b/python/src/trezorlib/_ed25519.py
@@ -41,8 +41,8 @@ __version__ = "1.0.dev1"
 
 
 b = 256
-q: int = 2 ** 255 - 19
-l: int = 2 ** 252 + 27742317777372353535851937790883648493
+q: int = 2**255 - 19
+l: int = 2**252 + 27742317777372353535851937790883648493
 
 COORD_MASK = ~(1 + 2 + 4 + (1 << b - 1))
 COORD_HIGH_BIT = 1 << b - 2
diff --git a/python/src/trezorlib/btc.py b/python/src/trezorlib/btc.py
index c72d162d0..5021f17f8 100644
--- a/python/src/trezorlib/btc.py
+++ b/python/src/trezorlib/btc.py
@@ -93,7 +93,7 @@ def from_json(json_dict: "Transaction") -> messages.TransactionType:
 
     def make_bin_output(vout: "Vout") -> messages.TxOutputBinType:
         return messages.TxOutputBinType(
-            amount=int(Decimal(vout["value"]) * (10 ** 8)),
+            amount=int(Decimal(vout["value"]) * (10**8)),
             script_pubkey=bytes.fromhex(vout["scriptPubKey"]["hex"]),
         )
 
diff --git a/python/src/trezorlib/protobuf.py b/python/src/trezorlib/protobuf.py
index 6eca24e12..05cc40b01 100644
--- a/python/src/trezorlib/protobuf.py
+++ b/python/src/trezorlib/protobuf.py
@@ -168,13 +168,13 @@ class Field:
 
     def value_fits(self, value: int) -> bool:
         if self.type == "uint32":
-            return 0 <= value < 2 ** 32
+            return 0 <= value < 2**32
         if self.type == "uint64":
-            return 0 <= value < 2 ** 64
+            return 0 <= value < 2**64
         if self.type == "sint32":
-            return -(2 ** 31) <= value < 2 ** 31
+            return -(2**31) <= value < 2**31
         if self.type == "sint64":
-            return -(2 ** 63) <= value < 2 ** 63
+            return -(2**63) <= value < 2**63
 
         raise ValueError(f"Cannot check range bounds for {self.type}")
 
diff --git a/python/src/trezorlib/tools.py b/python/src/trezorlib/tools.py
index 67f8115ff..f4d3df33c 100644
--- a/python/src/trezorlib/tools.py
+++ b/python/src/trezorlib/tools.py
@@ -142,7 +142,7 @@ def b58decode(v: AnyStr, length: Optional[int] = None) -> bytes:
 
     long_value = 0
     for (i, c) in enumerate(str_v[::-1]):
-        long_value += __b58chars.find(c) * (__b58base ** i)
+        long_value += __b58chars.find(c) * (__b58base**i)
 
     result = b""
     while long_value >= 256:
diff --git a/tests/device_tests/bitcoin/test_signmessage.py b/tests/device_tests/bitcoin/test_signmessage.py
index 75ed4dc8c..490b81762 100644
--- a/tests/device_tests/bitcoin/test_signmessage.py
+++ b/tests/device_tests/bitcoin/test_signmessage.py
@@ -32,8 +32,8 @@ def case(id, *args, altcoin=False):
     return pytest.param(*args, id=id, marks=marks)
 
 
-MESSAGE_NFKD = u"Pr\u030ci\u0301s\u030cerne\u030c z\u030clut\u030couc\u030cky\u0301 ku\u030an\u030c u\u0301pe\u030cl d\u030ca\u0301belske\u0301 o\u0301dy za\u0301ker\u030cny\u0301 uc\u030cen\u030c be\u030cz\u030ci\u0301 pode\u0301l zo\u0301ny u\u0301lu\u030a"
-MESSAGE_NFC = u"P\u0159\xed\u0161ern\u011b \u017elu\u0165ou\u010dk\xfd k\u016f\u0148 \xfap\u011bl \u010f\xe1belsk\xe9 \xf3dy z\xe1ke\u0159n\xfd u\u010de\u0148 b\u011b\u017e\xed pod\xe9l z\xf3ny \xfal\u016f"
+MESSAGE_NFKD = "Pr\u030ci\u0301s\u030cerne\u030c z\u030clut\u030couc\u030cky\u0301 ku\u030an\u030c u\u0301pe\u030cl d\u030ca\u0301belske\u0301 o\u0301dy za\u0301ker\u030cny\u0301 uc\u030cen\u030c be\u030cz\u030ci\u0301 pode\u0301l zo\u0301ny u\u0301lu\u030a"
+MESSAGE_NFC = "P\u0159\xed\u0161ern\u011b \u017elu\u0165ou\u010dk\xfd k\u016f\u0148 \xfap\u011bl \u010f\xe1belsk\xe9 \xf3dy z\xe1ke\u0159n\xfd u\u010de\u0148 b\u011b\u017e\xed pod\xe9l z\xf3ny \xfal\u016f"
 NFKD_NFC_SIGNATURE = "2046a0b46e81492f82e0412c73701b9740e6462c603575ee2d36c7d7b4c20f0f33763ca8cb3027ea8e1ce5e83fda8b6746fea8f5c82655d78fd419e7c766a5e17a"
 
 VECTORS = (  # case name, coin_name, path, script_type, address, message, signature
diff --git a/tests/device_tests/bitcoin/test_signtx_segwit.py b/tests/device_tests/bitcoin/test_signtx_segwit.py
index de791083d..8001592c6 100644
--- a/tests/device_tests/bitcoin/test_signtx_segwit.py
+++ b/tests/device_tests/bitcoin/test_signtx_segwit.py
@@ -155,18 +155,18 @@ def test_testnet_segwit_big_amount(client: Client):
         address_n,
         script_type=messages.InputScriptType.SPENDP2SHWITNESS,
     )
-    prev_hash, prev_tx = forge_prevtx([(address, 2 ** 32 + 1)], network="testnet")
+    prev_hash, prev_tx = forge_prevtx([(address, 2**32 + 1)], network="testnet")
 
     inp1 = messages.TxInputType(
         address_n=address_n,
-        amount=2 ** 32 + 1,
+        amount=2**32 + 1,
         prev_hash=prev_hash,
         prev_index=0,
         script_type=messages.InputScriptType.SPENDP2SHWITNESS,
     )
     out1 = messages.TxOutputType(
         address="2Mt7P2BAfE922zmfXrdcYTLyR7GUvbwSEns",  # seed allallall, bip32: m/49h/1h/0h/0/1, script type:p2shsegwit
-        amount=2 ** 32 + 1,
+        amount=2**32 + 1,
         script_type=messages.OutputScriptType.PAYTOADDRESS,
     )
     with client:
diff --git a/tests/device_tests/bitcoin/test_verifymessage.py b/tests/device_tests/bitcoin/test_verifymessage.py
index a987ab48e..86389d8a5 100644
--- a/tests/device_tests/bitcoin/test_verifymessage.py
+++ b/tests/device_tests/bitcoin/test_verifymessage.py
@@ -193,15 +193,15 @@ def test_verify_bitcoind(client: Client):
         bytes.fromhex(
             "1cc694f0f23901dfe3603789142f36a3fc582d0d5c0ec7215cf2ccd641e4e37228504f3d4dc3eea28bbdbf5da27c49d4635c097004d9f228750ccd836a8e1460c0"
         ),
-        u"\u017elu\u0165ou\u010dk\xfd k\u016f\u0148 \xfap\u011bl \u010f\xe1belsk\xe9 \xf3dy",
+        "\u017elu\u0165ou\u010dk\xfd k\u016f\u0148 \xfap\u011bl \u010f\xe1belsk\xe9 \xf3dy",
     )
 
     assert res is True
 
 
 def test_verify_utf(client: Client):
-    words_nfkd = u"Pr\u030ci\u0301s\u030cerne\u030c z\u030clut\u030couc\u030cky\u0301 ku\u030an\u030c u\u0301pe\u030cl d\u030ca\u0301belske\u0301 o\u0301dy za\u0301ker\u030cny\u0301 uc\u030cen\u030c be\u030cz\u030ci\u0301 pode\u0301l zo\u0301ny u\u0301lu\u030a"
-    words_nfc = u"P\u0159\xed\u0161ern\u011b \u017elu\u0165ou\u010dk\xfd k\u016f\u0148 \xfap\u011bl \u010f\xe1belsk\xe9 \xf3dy z\xe1ke\u0159n\xfd u\u010de\u0148 b\u011b\u017e\xed pod\xe9l z\xf3ny \xfal\u016f"
+    words_nfkd = "Pr\u030ci\u0301s\u030cerne\u030c z\u030clut\u030couc\u030cky\u0301 ku\u030an\u030c u\u0301pe\u030cl d\u030ca\u0301belske\u0301 o\u0301dy za\u0301ker\u030cny\u0301 uc\u030cen\u030c be\u030cz\u030ci\u0301 pode\u0301l zo\u0301ny u\u0301lu\u030a"
+    words_nfc = "P\u0159\xed\u0161ern\u011b \u017elu\u0165ou\u010dk\xfd k\u016f\u0148 \xfap\u011bl \u010f\xe1belsk\xe9 \xf3dy z\xe1ke\u0159n\xfd u\u010de\u0148 b\u011b\u017e\xed pod\xe9l z\xf3ny \xfal\u016f"
 
     res_nfkd = btc.verify_message(
         client,
diff --git a/tests/device_tests/bitcoin/test_verifymessage_segwit.py b/tests/device_tests/bitcoin/test_verifymessage_segwit.py
index e45015b90..84f044426 100644
--- a/tests/device_tests/bitcoin/test_verifymessage_segwit.py
+++ b/tests/device_tests/bitcoin/test_verifymessage_segwit.py
@@ -94,8 +94,8 @@ def test_message_verify(client: Client):
 
 
 def test_verify_utf(client: Client):
-    words_nfkd = u"Pr\u030ci\u0301s\u030cerne\u030c z\u030clut\u030couc\u030cky\u0301 ku\u030an\u030c u\u0301pe\u030cl d\u030ca\u0301belske\u0301 o\u0301dy za\u0301ker\u030cny\u0301 uc\u030cen\u030c be\u030cz\u030ci\u0301 pode\u0301l zo\u0301ny u\u0301lu\u030a"
-    words_nfc = u"P\u0159\xed\u0161ern\u011b \u017elu\u0165ou\u010dk\xfd k\u016f\u0148 \xfap\u011bl \u010f\xe1belsk\xe9 \xf3dy z\xe1ke\u0159n\xfd u\u010de\u0148 b\u011b\u017e\xed pod\xe9l z\xf3ny \xfal\u016f"
+    words_nfkd = "Pr\u030ci\u0301s\u030cerne\u030c z\u030clut\u030couc\u030cky\u0301 ku\u030an\u030c u\u0301pe\u030cl d\u030ca\u0301belske\u0301 o\u0301dy za\u0301ker\u030cny\u0301 uc\u030cen\u030c be\u030cz\u030ci\u0301 pode\u0301l zo\u0301ny u\u0301lu\u030a"
+    words_nfc = "P\u0159\xed\u0161ern\u011b \u017elu\u0165ou\u010dk\xfd k\u016f\u0148 \xfap\u011bl \u010f\xe1belsk\xe9 \xf3dy z\xe1ke\u0159n\xfd u\u010de\u0148 b\u011b\u017e\xed pod\xe9l z\xf3ny \xfal\u016f"
 
     res_nfkd = btc.verify_message(
         client,
diff --git a/tests/device_tests/bitcoin/test_verifymessage_segwit_native.py b/tests/device_tests/bitcoin/test_verifymessage_segwit_native.py
index dda8ee04e..5bea51f7d 100644
--- a/tests/device_tests/bitcoin/test_verifymessage_segwit_native.py
+++ b/tests/device_tests/bitcoin/test_verifymessage_segwit_native.py
@@ -94,8 +94,8 @@ def test_message_verify(client: Client):
 
 
 def test_verify_utf(client: Client):
-    words_nfkd = u"Pr\u030ci\u0301s\u030cerne\u030c z\u030clut\u030couc\u030cky\u0301 ku\u030an\u030c u\u0301pe\u030cl d\u030ca\u0301belske\u0301 o\u0301dy za\u0301ker\u030cny\u0301 uc\u030cen\u030c be\u030cz\u030ci\u0301 pode\u0301l zo\u0301ny u\u0301lu\u030a"
-    words_nfc = u"P\u0159\xed\u0161ern\u011b \u017elu\u0165ou\u010dk\xfd k\u016f\u0148 \xfap\u011bl \u010f\xe1belsk\xe9 \xf3dy z\xe1ke\u0159n\xfd u\u010de\u0148 b\u011b\u017e\xed pod\xe9l z\xf3ny \xfal\u016f"
+    words_nfkd = "Pr\u030ci\u0301s\u030cerne\u030c z\u030clut\u030couc\u030cky\u0301 ku\u030an\u030c u\u0301pe\u030cl d\u030ca\u0301belske\u0301 o\u0301dy za\u0301ker\u030cny\u0301 uc\u030cen\u030c be\u030cz\u030ci\u0301 pode\u0301l zo\u0301ny u\u0301lu\u030a"
+    words_nfc = "P\u0159\xed\u0161ern\u011b \u017elu\u0165ou\u010dk\xfd k\u016f\u0148 \xfap\u011bl \u010f\xe1belsk\xe9 \xf3dy z\xe1ke\u0159n\xfd u\u010de\u0148 b\u011b\u017e\xed pod\xe9l z\xf3ny \xfal\u016f"
 
     res_nfkd = btc.verify_message(
         client,
diff --git a/tests/device_tests/misc/test_msg_getentropy.py b/tests/device_tests/misc/test_msg_getentropy.py
index 9dbdcfda7..c41d4bff6 100644
--- a/tests/device_tests/misc/test_msg_getentropy.py
+++ b/tests/device_tests/misc/test_msg_getentropy.py
@@ -21,8 +21,8 @@ import pytest
 from trezorlib import messages as m, misc
 from trezorlib.debuglink import TrezorClientDebugLink as Client
 
-ENTROPY_LENGTHS_POW2 = [2 ** l for l in range(10)]
-ENTROPY_LENGTHS_POW2_1 = [2 ** l + 1 for l in range(10)]
+ENTROPY_LENGTHS_POW2 = [2**l for l in range(10)]
+ENTROPY_LENGTHS_POW2_1 = [2**l + 1 for l in range(10)]
 
 ENTROPY_LENGTHS = ENTROPY_LENGTHS_POW2 + ENTROPY_LENGTHS_POW2_1
 
diff --git a/tests/device_tests/test_autolock.py b/tests/device_tests/test_autolock.py
index 8b3c7d812..9b37b74c3 100644
--- a/tests/device_tests/test_autolock.py
+++ b/tests/device_tests/test_autolock.py
@@ -94,7 +94,7 @@ def test_autolock_default_value(client: Client):
 
 @pytest.mark.parametrize(
     "seconds",
-    [0, 1, 9, 536871, 2 ** 22],
+    [0, 1, 9, 536871, 2**22],
 )
 def test_apply_auto_lock_delay_out_of_range(client: Client, seconds):
     with client:
diff --git a/tests/device_tests/test_msg_loaddevice.py b/tests/device_tests/test_msg_loaddevice.py
index 48656b973..6fbe60603 100644
--- a/tests/device_tests/test_msg_loaddevice.py
+++ b/tests/device_tests/test_msg_loaddevice.py
@@ -93,18 +93,18 @@ def test_load_device_slip39_advanced(client: Client):
 
 
 def test_load_device_utf(client: Client):
-    words_nfkd = u"Pr\u030ci\u0301s\u030cerne\u030c z\u030clut\u030couc\u030cky\u0301 ku\u030an\u030c u\u0301pe\u030cl d\u030ca\u0301belske\u0301 o\u0301dy za\u0301ker\u030cny\u0301 uc\u030cen\u030c be\u030cz\u030ci\u0301 pode\u0301l zo\u0301ny u\u0301lu\u030a"
-    words_nfc = u"P\u0159\xed\u0161ern\u011b \u017elu\u0165ou\u010dk\xfd k\u016f\u0148 \xfap\u011bl \u010f\xe1belsk\xe9 \xf3dy z\xe1ke\u0159n\xfd u\u010de\u0148 b\u011b\u017e\xed pod\xe9l z\xf3ny \xfal\u016f"
-    words_nfkc = u"P\u0159\xed\u0161ern\u011b \u017elu\u0165ou\u010dk\xfd k\u016f\u0148 \xfap\u011bl \u010f\xe1belsk\xe9 \xf3dy z\xe1ke\u0159n\xfd u\u010de\u0148 b\u011b\u017e\xed pod\xe9l z\xf3ny \xfal\u016f"
-    words_nfd = u"Pr\u030ci\u0301s\u030cerne\u030c z\u030clut\u030couc\u030cky\u0301 ku\u030an\u030c u\u0301pe\u030cl d\u030ca\u0301belske\u0301 o\u0301dy za\u0301ker\u030cny\u0301 uc\u030cen\u030c be\u030cz\u030ci\u0301 pode\u0301l zo\u0301ny u\u0301lu\u030a"
+    words_nfkd = "Pr\u030ci\u0301s\u030cerne\u030c z\u030clut\u030couc\u030cky\u0301 ku\u030an\u030c u\u0301pe\u030cl d\u030ca\u0301belske\u0301 o\u0301dy za\u0301ker\u030cny\u0301 uc\u030cen\u030c be\u030cz\u030ci\u0301 pode\u0301l zo\u0301ny u\u0301lu\u030a"
+    words_nfc = "P\u0159\xed\u0161ern\u011b \u017elu\u0165ou\u010dk\xfd k\u016f\u0148 \xfap\u011bl \u010f\xe1belsk\xe9 \xf3dy z\xe1ke\u0159n\xfd u\u010de\u0148 b\u011b\u017e\xed pod\xe9l z\xf3ny \xfal\u016f"
+    words_nfkc = "P\u0159\xed\u0161ern\u011b \u017elu\u0165ou\u010dk\xfd k\u016f\u0148 \xfap\u011bl \u010f\xe1belsk\xe9 \xf3dy z\xe1ke\u0159n\xfd u\u010de\u0148 b\u011b\u017e\xed pod\xe9l z\xf3ny \xfal\u016f"
+    words_nfd = "Pr\u030ci\u0301s\u030cerne\u030c z\u030clut\u030couc\u030cky\u0301 ku\u030an\u030c u\u0301pe\u030cl d\u030ca\u0301belske\u0301 o\u0301dy za\u0301ker\u030cny\u0301 uc\u030cen\u030c be\u030cz\u030ci\u0301 pode\u0301l zo\u0301ny u\u0301lu\u030a"
 
     passphrase_nfkd = (
-        u"Neuve\u030cr\u030citelne\u030c bezpec\u030cne\u0301 hesli\u0301c\u030cko"
+        "Neuve\u030cr\u030citelne\u030c bezpec\u030cne\u0301 hesli\u0301c\u030cko"
     )
-    passphrase_nfc = u"Neuv\u011b\u0159iteln\u011b bezpe\u010dn\xe9 hesl\xed\u010dko"
-    passphrase_nfkc = u"Neuv\u011b\u0159iteln\u011b bezpe\u010dn\xe9 hesl\xed\u010dko"
+    passphrase_nfc = "Neuv\u011b\u0159iteln\u011b bezpe\u010dn\xe9 hesl\xed\u010dko"
+    passphrase_nfkc = "Neuv\u011b\u0159iteln\u011b bezpe\u010dn\xe9 hesl\xed\u010dko"
     passphrase_nfd = (
-        u"Neuve\u030cr\u030citelne\u030c bezpec\u030cne\u0301 hesli\u0301c\u030cko"
+        "Neuve\u030cr\u030citelne\u030c bezpec\u030cne\u0301 hesli\u0301c\u030cko"
     )
 
     debuglink.load_device(
diff --git a/tests/device_tests/test_pin.py b/tests/device_tests/test_pin.py
index 7c65fc8f9..a2030b585 100644
--- a/tests/device_tests/test_pin.py
+++ b/tests/device_tests/test_pin.py
@@ -80,7 +80,7 @@ def test_incorrect_pin_t2(client: Client):
 
 def _check_backoff_time(attempts: int, start: float) -> None:
     """Helper to assert the exponentially growing delay after incorrect PIN attempts"""
-    expected = (2 ** attempts) - 1
+    expected = (2**attempts) - 1
     got = round(time.time() - start, 2)
     assert got >= expected