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File "/opt/bitnami/airflow/venv/lib/python3.6/site-packages/airflow/www_rbac/templates/airflow/dags.html", line 95, in block "content"
<a href="{{ url_for('Airflow.'+ dag.get_default_view(), dag_id=dag.dag_id) }}" title="{{ dag.description[0:80] + '...' if dag.description|length > 80 else dag.description }}">
TypeError: object of type 'NoneType' has no len()
<a href="{{ url_for('Airflow.'+ dag.get_default_view(), dag_id=dag.dag_id) }}" title="{{ dag.description[0:80] + '...' if dag.description|length > 80 else dag.description }}">
TypeError: object of type 'NoneType' has no len()