fix: Resolve mypy type checking errors

Author: mcdax

comdirect_client/client.py

@@ -6,7 +6,7 @@
 import time
 import uuid
 from datetime import datetime, timedelta
-from typing import Any, Callable, Optional
+from typing import Any, Callable, Optional, cast, cast
 
 import httpx
 
@@ -214,7 +214,7 @@ async def _step1_password_credentials(self) -> str:
 
             access_token = data["access_token"]
             logger.info(f"OAuth2 token obtained: {sanitize_token(access_token)}")
-            return access_token
+            return cast(str, access_token)
 
         except httpx.TimeoutException as e:
             logger.error("Network timeout during authentication")
@@ -255,7 +255,7 @@ async def _step2_session_status(self, access_token: str) -> str:
 
             session_uuid = data[0]["identifier"]
             logger.info(f"Session UUID retrieved: {sanitize_token(session_uuid)}")
-            return session_uuid
+            return cast(str, session_uuid)
 
         except httpx.TimeoutException as e:
             logger.error("Network timeout during session retrieval")

comdirect_client/models.py

@@ -3,7 +3,7 @@
 from dataclasses import dataclass
 from datetime import date
 from decimal import Decimal
-from typing import Optional
+from typing import Any, Optional
 
 
 @dataclass
@@ -60,7 +60,7 @@ class Account:
     creditLimit: Optional[AmountValue] = None
 
     @classmethod
-    def from_dict(cls, data: dict) -> "Account":
+    def from_dict(cls, data: dict[str, Any]) -> "Account":
         """Create Account from API response dict."""
         return cls(
             accountId=data["accountId"],
@@ -88,7 +88,7 @@ class AccountBalance:
     availableCashAmountEUR: AmountValue
 
     @classmethod
-    def from_dict(cls, data: dict) -> "AccountBalance":
+    def from_dict(cls, data: dict[str, Any]) -> "AccountBalance":
         """Create AccountBalance from API response dict."""
         return cls(
             accountId=data["accountId"],
@@ -126,7 +126,7 @@ class Transaction:
     directDebitMandateId: Optional[str] = None
 
     @classmethod
-    def from_dict(cls, data: dict) -> "Transaction":
+    def from_dict(cls, data: dict[str, Any]) -> "Transaction":
         """Create Transaction from API response dict."""
         booking_date = None
         if data.get("bookingDate"):