Correction of an error phrase for a better feedback.
@@ -49,7 +49,7 @@ def standardize_input_data(data, names, shapes=None,
if name not in data:
raise ValueError('No data provided for "' +
name + '". Need data for each key in: ' +
- str(data.keys()))
+ str(names))
arrays.append(data[name])
elif isinstance(data, list):
if len(data) != len(names):
