fix saliniity

PCMDI · Feb 12, 2018 · 7944e33 · 7944e33
1 parent c9ec573
commit 7944e33
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/python/pcmdi/scripts/pcmdi_metrics_driver.py b/src/python/pcmdi/scripts/pcmdi_metrics_driver.py
@@ -316,6 +316,7 @@ def determine_obs_or_model(self, is_obs, ref_or_test, data_path):
  dest='simulation_description_mapping',
  help='List of observations or models to test ' +
  'against the reference_data_set',
+ default={},
  required=False)
 
 parser.add_argument(