fixed bugs and small changes

backend/main.py

@@ -93,7 +93,7 @@ class EventUpdate(BaseModel):
     min_people: int | None = None
     type: str | None = None
     visibility: str | None = None
-    status: str | None = None
+    status: Literal["draft", "proposed", "confirmed", "cancelled"] | None = None
 
 
 class RoomCreate(BaseModel):
@@ -890,11 +890,6 @@ def api_event_responses(
     }
 
 
-@app.patch(
-    "/events/{event_id}",
-    summary="Update an event",
-    description="Updates an event. The event creator or a room admin can perform this action.",
-)
 @app.patch(
     "/events/{event_id}",
     summary="Update an event",