chore(python): increasing mnemonic version to 0.20

poetry.lock

@@ -476,11 +476,11 @@ python-versions = "*"
 
 [[package]]
 name = "mnemonic"
-version = "0.19"
+version = "0.20"
 description = "Implementation of Bitcoin BIP-0039"
 category = "main"
 optional = false
-python-versions = "*"
+python-versions = ">=3.5"
 
 [[package]]
 name = "munch"
@@ -1346,8 +1346,8 @@ mccabe = [
     {file = "mccabe-0.6.1.tar.gz", hash = "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"},
 ]
 mnemonic = [
-    {file = "mnemonic-0.19-py2.py3-none-any.whl", hash = "sha256:a8d78c5100acfa7df9bab6b9db7390831b0e54490934b718ff9efd68f0d731a6"},
-    {file = "mnemonic-0.19.tar.gz", hash = "sha256:4e37eb02b2cbd56a0079cabe58a6da93e60e3e4d6e757a586d9f23d96abea931"},
+    {file = "mnemonic-0.20-py3-none-any.whl", hash = "sha256:acd2168872d0379e7a10873bb3e12bf6c91b35de758135c4fbd1015ef18fafc5"},
+    {file = "mnemonic-0.20.tar.gz", hash = "sha256:7c6fb5639d779388027a77944680aee4870f0fcd09b1e42a5525ee2ce4c625f6"},
 ]
 munch = [
     {file = "munch-2.5.0-py2.py3-none-any.whl", hash = "sha256:6f44af89a2ce4ed04ff8de41f70b226b984db10a91dcc7b9ac2efc1c77022fdd"},

python/requirements.txt

@@ -1,5 +1,5 @@
 ecdsa>=0.9
-mnemonic>=0.17
+mnemonic>=0.20
 requests>=2.4.0
 click>=7,<9
 libusb1>=1.6.4

python/setup.py

@@ -7,7 +7,7 @@ from setuptools import find_packages, setup
 install_requires = [
     "setuptools>=19.0",
     "ecdsa>=0.9",
-    "mnemonic>=0.17",
+    "mnemonic>=0.20",
     "requests>=2.4.0",
     "click>=7,<9",
     "libusb1>=1.6.4",