fix(isochrone): invalid costValue operation definition

gpf_pub_agent_road2/core.py

@@ -355,7 +355,16 @@ def _get_itinerary_parameters(
     return parameters
 
 
-def _get_isochrone_parameters(cost_types, stored_data):
+def _get_isochrone_parameters(cost_types: list[str], stored_data: GpfStoredData):
+    """Get parameters for isochrone operations
+
+    Args:
+        cost_types list[str]: available cost type
+        stored_data (GpfStoredData): stored data to publish
+
+    Returns: list[dict]: list of parameters for isochrone operations
+
+    """
     parameters = [
         {
             "id": "point",
@@ -365,7 +374,7 @@ def _get_isochrone_parameters(cost_types, stored_data):
             },
         },
         {"id": "costType", "values": cost_types},
-        {"id": "costValue", "values": [{"min": 100, "max": 50000}]},
+        {"id": "costValue", "values": {"min": 100, "max": 50000}},
         {
             "id": "direction",
             "values": ["departure", "arrival"],