chore(core/ui): typing: no implicit Optional

core/src/trezor/ui/layouts/tt.py

@@ -71,16 +71,16 @@ async def confirm_action(
  ctx: wire.GenericContext,
  br_type: str,
  title: str,
- action: str = None,
- description: str = None,
- description_param: str = None,
+ action: Optional[str] = None,
+ description: Optional[str] = None,
+ description_param: Optional[str] = None,
  description_param_font: int = ui.BOLD,
  verb: Union[str, bytes, None] = Confirm.DEFAULT_CONFIRM,
  verb_cancel: Union[str, bytes, None] = Confirm.DEFAULT_CANCEL,
  hold: bool = False,
  hold_danger: bool = False,
- icon: str = None, # TODO cleanup @ redesign
- icon_color: int = None, # TODO cleanup @ redesign
+ icon: Optional[str] = None, # TODO cleanup @ redesign
+ icon_color: Optional[int] = None, # TODO cleanup @ redesign
  reverse: bool = False, # TODO cleanup @ redesign
  larger_vspace: bool = False, # TODO cleanup @ redesign
  exc: ExceptionType = wire.ActionCancelled,
@@ -235,7 +235,7 @@ def _truncate_hex(
 def _show_address(
  address: str,
  desc: str,
- network: str = None,
+ network: Optional[str] = None,
 ) -> Confirm:
  text = Text(desc, ui.ICON_RECEIVE, ui.GREEN)
  if network is not None:
@@ -279,10 +279,10 @@ async def show_xpub(
 async def show_address(
  ctx: wire.GenericContext,
  address: str,
- address_qr: str = None,
+ address_qr: Optional[str] = None,
  desc: str = "Confirm address",
- network: str = None,
- multisig_index: int = None,
+ network: Optional[str] = None,
+ multisig_index: Optional[int] = None,
  xpubs: Sequence[str] = [],
 ) -> None:
  is_multisig = len(xpubs) > 0
@@ -476,7 +476,7 @@ async def confirm_hex(
  br_type: str,
  title: str,
  data: str,
- description: str = None,
+ description: Optional[str] = None,
  br_code: EnumTypeButtonRequestType = ButtonRequestType.Other,
  icon: str = ui.ICON_SEND, # TODO cleanup @ redesign
  icon_color: int = ui.GREEN, # TODO cleanup @ redesign
@@ -645,7 +645,7 @@ async def confirm_sign_identity(
 
 
 async def confirm_signverify(
- ctx: wire.GenericContext, coin: str, message: str, address: str = None
+ ctx: wire.GenericContext, coin: str, message: str, address: Optional[str] = None
 ) -> None:
  if address:
  header = "Verify {} message".format(coin)