error.py

Traceback (most recent call last):
  File "/opt/indico/.venv/bin/indico", line 11, in <module>
    sys.exit(cli())
  File "/opt/indico/.venv/local/lib/python2.7/site-packages/click/core.py", line 722, in __call__
    return self.main(*args, **kwargs)
  File "/opt/indico/.venv/local/lib/python2.7/site-packages/flask/cli.py", line 380, in main
    return AppGroup.main(self, *args, **kwargs)
  File "/opt/indico/.venv/local/lib/python2.7/site-packages/click/core.py", line 697, in main
    rv = self.invoke(ctx)
  File "/opt/indico/.venv/local/lib/python2.7/site-packages/click/core.py", line 1066, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/opt/indico/.venv/local/lib/python2.7/site-packages/click/core.py", line 895, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/opt/indico/.venv/local/lib/python2.7/site-packages/click/core.py", line 535, in invoke
    return callback(*args, **kwargs)
  File "/opt/indico/.venv/local/lib/python2.7/site-packages/click/decorators.py", line 17, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "/opt/indico/.venv/local/lib/python2.7/site-packages/flask/cli.py", line 256, in decorator
    with __ctx.ensure_object(ScriptInfo).load_app().app_context():
  File "/opt/indico/.venv/local/lib/python2.7/site-packages/flask/cli.py", line 229, in load_app
    rv = self.create_app(self)
  File "/opt/indico/.venv/local/lib/python2.7/site-packages/indico/cli/util.py", line 37, in _create_app
    return make_app(set_path=True)
  File "/opt/indico/.venv/local/lib/python2.7/site-packages/indico/web/flask/app.py", line 366, in make_app
    add_blueprints(app)
  File "/opt/indico/.venv/local/lib/python2.7/site-packages/indico/web/flask/app.py", line 282, in add_blueprints
    blueprints, compat_blueprints = discover_blueprints()
  File "/opt/indico/.venv/local/lib/python2.7/site-packages/indico/web/flask/util.py", line 67, in discover_blueprints
    module = import_module(module_name)
  File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/opt/indico/.venv/local/lib/python2.7/site-packages/indico/web/flask/blueprints/event/__init__.py", line 17, in <module>
    from indico.web.flask.blueprints.event.display import event as event_display
  File "/opt/indico/.venv/local/lib/python2.7/site-packages/indico/web/flask/blueprints/event/display/__init__.py", line 21, in <module>
    import indico.web.flask.blueprints.event.display.main
  File "/opt/indico/.venv/local/lib/python2.7/site-packages/indico/web/flask/blueprints/event/display/main.py", line 19, in <module>
    from indico.legacy.webinterface.rh import conferenceDisplay
  File "/opt/indico/.venv/local/lib/python2.7/site-packages/indico/legacy/webinterface/rh/conferenceDisplay.py", line 24, in <module>
    from indico.legacy.webinterface.rh.base import RHDisplayBaseProtected
  File "/opt/indico/.venv/local/lib/python2.7/site-packages/indico/legacy/webinterface/rh/base.py", line 38, in <module>
    from indico.core.config import Config
ImportError: cannot import name Config