fix CI pipeline warning

Author: OBorce

core/embed/rust/src/mintlayer/mod.rs

@@ -9,8 +9,8 @@ use ml_common::{
     HashedTimelockContract, HtlcSecretHash, IsTokenFreezable, IsTokenUnfreezable, Metadata,
     NftIssuance, NftIssuanceV0, OrderData, OutPointSourceId, OutPointSourceIdIndex, OutputTimeLock,
     OutputTimeLockIndex, OutputValue, PublicKey, PublicKeyHolder, StakePoolData, TokenIssuance,
-    TokenIssuanceV1, TokenTotalSupply, TokenTotalSupplyIndex, TxInput, TxOutput,
-    UtxoOutPoint, VRFPublicKeyHolder, H256,
+    TokenIssuanceV1, TokenTotalSupply, TokenTotalSupplyIndex, TxInput, TxOutput, UtxoOutPoint,
+    VRFPublicKeyHolder, H256,
 };
 use num_traits::FromPrimitive;
 use parity_scale_codec::{DecodeAll, Encode};

core/src/apps/mintlayer/sign_tx/signer.py

@@ -158,7 +158,7 @@ def __init__(
         self.chunkify = tx.chunkify or False
         self.tx_req = MintlayerTxRequest()
         self.tx_req.details = MintlayerTxRequestDetailsType()
-        self.tx_req.serialized = []
+        self.tx_req.serialized = None
 
         # The digest of the presigned external inputs streamed for approval in Step 1. This is
         # used to ensure that the inputs streamed for verification in Step 3 are the same as

python/src/trezorlib/cli/__init__.py

@@ -158,7 +158,7 @@ def trezorctl_command_with_client(
 
     # the return type of @click.pass_obj is improperly specified and pyright doesn't
     # understand that it converts f(obj, *args, **kwargs) to f(*args, **kwargs)
-    return trezorctl_command_with_client  # type: ignore [is incompatible with return type]
+    return trezorctl_command_with_client
 
 
 class AliasedGroup(click.Group):