[jira] [Created] (AIRFLOW-742) Fresh Airflow install throwing "duplicate argument 'l_1_caller'" error from GET /admin/airflow/graph

["Jerzy J. Gangi (JIRA)" <ji...@apache.org>]

Jerzy J. Gangi created AIRFLOW-742:
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             Summary: Fresh Airflow install throwing "duplicate argument 'l_1_caller'" error from GET /admin/airflow/graph
                 Key: AIRFLOW-742
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-742
             Project: Apache Airflow
          Issue Type: Bug
          Components: webserver
    Affects Versions: Airflow 1.7.1.3
         Environment: Airflow 1.7.1.3
Python 2.7.12
            Reporter: Jerzy J. Gangi
            Priority: Critical


Fresh install of AF giving the following error when nagivating to `GET /admin/airflow/graph?dag_id=example_bash_operator`:

{noformat}
[2017-01-09 00:04:38,521] {app.py:1423} ERROR - Exception on /admin/airflow/graph [GET]
Traceback (most recent call last):
  File "/opt/virtualenvs/airflow/lib/python2.7/site-packages/flask/app.py", line 1817, in wsgi_app
    response = self.full_dispatch_request()
  File "/opt/virtualenvs/airflow/lib/python2.7/site-packages/flask/app.py", line 1477, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/opt/virtualenvs/airflow/lib/python2.7/site-packages/flask/app.py", line 1381, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/opt/virtualenvs/airflow/lib/python2.7/site-packages/flask/app.py", line 1475, in full_dispatch_request
    rv = self.dispatch_request()
  File "/opt/virtualenvs/airflow/lib/python2.7/site-packages/flask/app.py", line 1461, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/opt/virtualenvs/airflow/lib/python2.7/site-packages/flask_admin/base.py", line 68, in inner
    return self._run_view(f, *args, **kwargs)
  File "/opt/virtualenvs/airflow/lib/python2.7/site-packages/flask_admin/base.py", line 367, in _run_view
    return fn(self, *args, **kwargs)
  File "/opt/virtualenvs/airflow/lib/python2.7/site-packages/flask_login.py", line 755, in decorated_view
    return func(*args, **kwargs)
  File "/opt/virtualenvs/airflow/lib/python2.7/site-packages/airflow/www/utils.py", line 213, in view_func
    return f(*args, **kwargs)
  File "/opt/virtualenvs/airflow/lib/python2.7/site-packages/airflow/www/utils.py", line 118, in wrapper
    return f(*args, **kwargs)
  File "/opt/virtualenvs/airflow/lib/python2.7/site-packages/airflow/www/views.py", line 1412, in graph
    edges=json.dumps(edges, indent=2),)
  File "/opt/virtualenvs/airflow/lib/python2.7/site-packages/flask_admin/base.py", line 307, in render
    return render_template(template, **kwargs)
  File "/opt/virtualenvs/airflow/lib/python2.7/site-packages/flask/templating.py", line 128, in render_template
    context, ctx.app)
  File "/opt/virtualenvs/airflow/lib/python2.7/site-packages/flask/templating.py", line 110, in _render
    rv = template.render(context)
  File "/opt/virtualenvs/airflow/lib/python2.7/site-packages/jinja2/environment.py", line 1008, in render
    return self.environment.handle_exception(exc_info, True)
  File "/opt/virtualenvs/airflow/lib/python2.7/site-packages/jinja2/environment.py", line 780, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "/opt/virtualenvs/airflow/lib/python2.7/site-packages/airflow/www/templates/airflow/graph.html", line 2, in top-level template code
    {% import 'admin/lib.html' as lib with context %}
  File "/opt/virtualenvs/airflow/lib/python2.7/site-packages/jinja2/environment.py", line 551, in _compile
    return compile(source, filename, 'exec')
SyntaxError: duplicate argument 'l_1_caller' in function definition (lib.html, line 255)
{noformat}



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