import qualified const()

src/apps/common/storage.py

@@ -1,3 +1,4 @@
+from micropython import const
 from trezor import config
 
 
@@ -14,4 +15,4 @@ def set_storage(session_id, buf):
 
 
 def clear_storage(session_id):
-    set_storage(session_id, '')
+    set_storage(session_id, b'')

src/apps/management/layout_reset_device.py

@@ -1,3 +1,4 @@
+from micropython import const
 from trezor import wire, ui
 from trezor.utils import unimport, chunks
 

src/lib/protobuf.py

@@ -10,6 +10,8 @@ Value format: ((field_type, field_flags, field_name), field_value)
     field_value: Depends on field_type.  EmbeddedMessage has `field_value == None`.
 '''
 
+from micropython import const
+
 
 def build_protobuf_message(message_type, callback, *args):
     message = message_type()

src/trezor/debug.py

@@ -1,3 +1,5 @@
+from micropython import const
+
 if not __debug__:
     raise ImportError('This module can be loaded only in DEBUG mode')
 

src/trezor/log.py

@@ -1,3 +1,4 @@
+from micropython import const
 import uio
 import sys
 import utime

src/trezor/loop.py

@@ -1,5 +1,5 @@
 import utime
-
+from micropython import const
 from uheapq import heappop, heappush, heapify
 from .utils import type_gen
 from . import msg

src/trezor/ui/button.py

@@ -1,5 +1,6 @@
-from . import display, in_area, rotate_coords
+from micropython import const
 from trezor import ui, loop
+from . import display, in_area, rotate_coords
 
 
 DEFAULT_BUTTON = {

src/trezor/ui/confirm.py

@@ -1,8 +1,9 @@
+from micropython import const
+from trezor import loop
 from .button import Button, BTN_CLICKED, BTN_STARTED
 from .button import CONFIRM_BUTTON, CONFIRM_BUTTON_ACTIVE
 from .button import CANCEL_BUTTON, CANCEL_BUTTON_ACTIVE
 from .loader import Loader
-from trezor import loop
 
 
 CONFIRMED = const(1)

src/trezor/ui/loader.py

@@ -1,4 +1,5 @@
 import utime
+from micropython import const
 from trezor import ui
 
 

src/trezor/ui/pin.py

@@ -1,7 +1,8 @@
-from . import display
-from .button import Button, BTN_CLICKED, CLEAR_BUTTON, CLEAR_BUTTON_ACTIVE
-from trezor import ui, res
+from micropython import const
 from trezor.crypto import random
+from trezor import ui, res
+from .button import Button, BTN_CLICKED, CLEAR_BUTTON, CLEAR_BUTTON_ACTIVE
+from . import display
 
 
 def digit_area(i):

src/trezor/ui/scroll.py

@@ -1,5 +1,6 @@
-from .swipe import Swipe, SWIPE_UP, SWIPE_DOWN
+from micropython import const
 from trezor import loop, ui
+from .swipe import Swipe, SWIPE_UP, SWIPE_DOWN
 
 
 async def change_page(page, page_count):

src/trezor/ui/swipe.py

@@ -1,7 +1,7 @@
 import utime
-
-from . import in_area, rotate_coords
+from micropython import const
 from trezor import loop
+from . import in_area, rotate_coords
 
 
 SWIPE_DISTANCE_THRESHOLD = const(20)  # Min pixels in the primary direction

src/trezor/ui/text.py

@@ -1,3 +1,4 @@
+from micropython import const
 from trezor import ui
 
 TEXT_HEADER_HEIGHT = const(44)

src/trezor/wire/wire_codec.py

@@ -1,3 +1,4 @@
+from micropython import const
 import ustruct
 import ubinascii
 

src/trezor/wire/wire_codec_v1.py

@@ -1,3 +1,4 @@
+from micropython import const
 import ustruct
 
 SESSION_V1 = const(0)

src/trezor/wire/wire_io.py

@@ -1,8 +1,6 @@
 import ubinascii
-
-from trezor import msg
-from trezor import loop
-from trezor import log
+from micropython import const
+from trezor import msg, loop, log
 
 _DEFAULT_IFACE = const(0)