Bug Fix: Empty Response for 200 code error handling (by Shahzaib and …

…Sanchit)

src/pywris/surface_water/storage/reservoir.py

@@ -98,12 +98,15 @@ def get_reservoirs(
     reservoir_names_str = ",".join(["'" + reservoir + "'" for reservoir in selected_reservoirs])
     reservoir_data = get_reservoir_data(reservoir_names_str, timestep, start_date, end_date)
     reservoir_df = pd.json_normalize(reservoir_data)
-
+    print(reservoir_df)
     # Create dictionary of reservoir objects 
     reservoirs = {}
+    print(selected_reservoirs)
     for res_name in selected_reservoirs:
+        print(res_name)
         sel_res_df = reservoir_df[reservoir_df['Reservoir Name']==res_name]
-        sel_res_state = sel_res_df['Parent']
+        print(sel_res_df['Parent'])
+        sel_res_state = sel_res_df['Parent'].values()[0]
 
         sel_res = Reservoir(res_name, sel_res_state)
         sel_res.district = district_dict[sel_res_df['Child']]

src/pywris/utils/fetch_wris.py

@@ -1,4 +1,5 @@
 import requests
+import json
 
 def get_response(url,payload, method):
 
@@ -11,7 +12,11 @@ def get_response(url,payload, method):
 
     # Checking if the request was successful
     if response.status_code == 200:
-        return response.json()
+        try:
+            json_response = response.json()
+            return json_response
+        except json.JSONDecodeError:
+            raise ValueError('Empty Response from the server.')
     else:
         print("Error:", response.status_code)
         raise Exception("Error:", response.status_code)