Using Optional[str] instead of str | None for optional fields

app/models/schemas.py

@@ -1,5 +1,5 @@
 from datetime import datetime
-from typing import List
+from typing import List, Optional
 from uuid import UUID
 from pydantic import BaseModel
 
@@ -31,11 +31,11 @@ class ChannelCreate(BaseModel):
 
 class ChannelUpdate(BaseModel):
     """Pydantic model for updating channels"""
-    name: str | None = None
-    group_title: str | None = None
-    tvg_id: str | None = None
-    tvg_logo: str | None = None
-    tvg_name: str | None = None
+    name: Optional[str] = None
+    group_title: Optional[str] = None
+    tvg_id: Optional[str] = None
+    tvg_logo: Optional[str] = None
+    tvg_name: Optional[str] = None
 
 class ChannelResponse(BaseModel):
     """Pydantic model for channel responses"""