[jira] [Created] (AIRFLOW-2786) Variables view fails to render if a variable has an empty key

[Trevor Edwards (JIRA)]

Trevor Edwards created AIRFLOW-2786:
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             Summary: Variables view fails to render if a variable has an empty 
key
                 Key: AIRFLOW-2786
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-2786
             Project: Apache Airflow
          Issue Type: Bug
            Reporter: Trevor Edwards


Reported 
[here|[https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!topic/cloud-composer-discuss/OkYMeuwqOpU],]
 if a Variable has an empty key, the Variables tab is not accessible.

Part of the relevant stacktrace:

 
{code:java}
  File "/usr/local/lib/python2.7/site-packages/flask_admin/model/base.py", line 
1742, in get_list_value
    self.column_type_formatters,
  File "/usr/local/lib/python2.7/site-packages/flask_admin/model/base.py", line 
1707, in _get_list_value
    value = column_fmt(self, context, model, name)
  File "/usr/local/lib/python2.7/site-packages/airflow/www/views.py", line 
2269, in hidden_field_formatter
    if wwwutils.should_hide_value_for_key(model.key):
  File "/usr/local/lib/python2.7/site-packages/airflow/www/utils.py", line 49, 
in should_hide_value_for_key
    return any(s in key_name.lower() for s in 
DEFAULT_SENSITIVE_VARIABLE_FIELDS) \
  File "/usr/local/lib/python2.7/site-packages/airflow/www/utils.py", line 49, 
in <genexpr>
    return any(s in key_name.lower() for s in 
DEFAULT_SENSITIVE_VARIABLE_FIELDS) \
AttributeError: 'NoneType' object has no attribute 'lower'
{code}



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