Update main.py

main.py

@@ -96,12 +96,18 @@ async def get_author_chat_admin(username: str = None):
 @fast_app.get("/user/raw/getchat")
 async def get_chat_raw(username: str = None):
     try:
+        user_id = None
         chat_raw = (await client.get_chat(username)).raw
         ok = await user_client.get_chat(username)
-        response = await js.get_creation_date(
-            api_key="akeno_OSrXhljIomunACd5JY18jFIeIuuB6Pdx",
-            user_id=ok.pinned_message.from_user.id
-        )
+        if ok.pinned_message.from_user:
+            user_id = ok.pinned_message.from_user.id if ok.pinned_message.from_user else None
+        if not user_id:
+            user_id = None
+        if user_id:
+            response = await js.get_creation_date(
+                api_key="akeno_OSrXhljIomunACd5JY18jFIeIuuB6Pdx",
+                user_id=user_id
+            )
     except Exception as e:
         return {"error": f"Error try again invalid: {str(e)}"}
     return {