Linted and formatted all files

app/models/auth.py

@@ -1,20 +1,26 @@
-from typing import List, Optional
+from typing import Optional
+
 from pydantic import BaseModel, Field
 
+
 class SigninRequest(BaseModel):
     """Request model for the signin endpoint."""
+
     username: str = Field(..., description="The user's username")
     password: str = Field(..., description="The user's password")
 
+
 class TokenResponse(BaseModel):
     """Response model for successful authentication."""
+
     access_token: str = Field(..., description="Access JWT token from Cognito")
     id_token: str = Field(..., description="ID JWT token from Cognito")
-    refresh_token: Optional[str] = Field(
-        None, description="Refresh token from Cognito")
+    refresh_token: Optional[str] = Field(None, description="Refresh token from Cognito")
     token_type: str = Field(..., description="Type of the token returned")
 
+
 class CognitoUser(BaseModel):
     """Model representing the user returned from token verification."""
+
     username: str
-    roles: List[str]
+    roles: list[str]