fixup! [wip] Add support for querying multiple signals; cmu-delphi/covidcast-indicators#116

Author: krivard

src/client/delphi_epidata.py

@@ -541,16 +541,16 @@ def meta():
 
   # Fetch Delphi's COVID-19 Surveillance Streams
   @staticmethod
-  def covidcast(data_source, signal, time_type, geo_type, time_values, geo_value):
+  def covidcast(data_source, signals, time_type, geo_type, time_values, geo_value):
     """Fetch Delphi's COVID-19 Surveillance Streams"""
     # Check parameters
-    if data_source is None or signal is None or time_type is None or geo_type is None or time_values is None or geo_value is None:
+    if data_source is None or signals is None or time_type is None or geo_type is None or time_values is None or geo_value is None:
       raise Exception('`data_source`, `signal`, `time_type`, `geo_type`, `time_values`, and `geo_value` are all required')
     # Set up request
     params = {
       'source': 'covidcast',
       'data_source': data_source,
-      'signal': signal,
+      'signals': Epidata._list(signals),
       'time_type': time_type,
       'geo_type': geo_type,
       'time_values': Epidata._list(time_values),