fix

app/dialogflow/services/dialog_service.py

@@ -78,11 +78,13 @@ class DialogService:
     @staticmethod
     async def seats_trip(route_id: int, trip_id:int, departure_date: str, departure_time: str, kind: str):
         try:
-            params = {
-                "departureDate": departure_date,
-                "departureTime": departure_time,
-                "kind": kind,
-            }
+            params ={k: v for k, v in {
+                    "departureDate": departure_date,
+                    "departureTime": departure_time,
+                    "kind": kind
+                }.items() if v is not None}
+            if params is None:
+                return []
             response = await api.get(api_base=settings.API_BASE_URL_VATO, endpoint=f"/seats/{route_id}/{trip_id}" , params=params)
             seats = response["data"]
             return seats
@@ -199,9 +201,11 @@ class DialogService:
     @staticmethod
     async def stops(route_id: int, way_id: int):
         try:
-            params = {
-                "wayId": way_id,
-            }
+            if route_id is None or way_id is None:
+                return []
+            params ={ k: v for k,v in {
+                        "wayId": way_id,
+                        }.items() if v is not None}
             response = await api.get(api_base=settings.API_BASE_URL_VATO, endpoint=f"/stops/{route_id}", params=params)
             data = response["data"]
             return data