Resolve "BUG: add ValueError to f_proc"

Closes #224 (closed)

mlair/helpers/join.py

@@ -70,7 +70,7 @@ def download_join(station_name: Union[str, List[str]], stat_var: dict, station_t
 
             # create data link
             opts = {'base': join_url_base, 'service': 'stats', 'id': vars_dict[var], 'statistics': stat_var[var],
-                    'sampling': sampling, 'capture': 0, 'min_data_length': 1460, 'format': 'json'}
+                    'sampling': sampling, 'capture': 0, 'format': 'json'}
 
             # load data
             data = get_data(opts, headers)
@@ -130,7 +130,10 @@ def get_data(opts: Dict, headers: Dict) -> Union[Dict, List]:
     """
     url = create_url(**opts)
     response = requests.get(url, headers=headers)
-    return response.json()
+    if response.status_code == 200:
+        return response.json()
+    else:
+        raise EmptyQueryResult(f"There was an error (STATUS {response.status_code}) for request {url}")
 
 
 def load_series_information(station_name: List[str], station_type: str_or_none, network_name: str_or_none,