TypeError: 'NoneType' object has no attribute '__getitem__'
request = <FixtureRequest for <Function 'test_user_changes_working_directory_using_breadcrumbs_from_file_browser_in_public_share_view'>>

>   ???

tests/gui/scenarios/test_public_shares.py:61: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
/usr/local/lib/python2.7/dist-packages/pytest_bdd/scenario.py:195: in _execute_scenario
(48 more lines...)

TypeError: 'NoneType' object has no attribute '__getitem__'
request = <FixtureRequest for <Function 'test_user_does_not_see_file_in_public_share_view_after_other_user_removed_them_from_shared_directory'>>

    
>   scenarios('../features/oneprovider/shares/public_shares.feature')

tests/gui/scenarios/test_public_shares.py:57: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
(49 more lines...)

TypeError: 'NoneType' object has no attribute '__getitem__'
request = <FixtureRequest for <Function 'test_user_sees_new_files_in_public_share_view_after_other_user_added_them_to_shared_directory'>>

    @fixture(scope='module')
>   def screens():

tests/gui/scenarios/test_public_shares.py:53: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
(49 more lines...)

TypeError: 'NoneType' object has no attribute '__getitem__'
request = <FixtureRequest for <Function 'test_user_sees_that_he_no_longer_can_view_public_share_after_other_user_removed_it'>>

    from tests.gui.steps.oneprovider_common import *
>   from tests.gui.meta_steps.onezone.common import *

tests/gui/scenarios/test_public_shares.py:49: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
(49 more lines...)

TypeError: 'NoneType' object has no attribute '__getitem__'
request = <FixtureRequest for <Function 'test_user_sees_that_public_share_name_has_changed_after_other_user_renamed_it'>>

    from tests.gui.steps.oneprovider.groups import *
>   from tests.gui.steps.oneprovider.spaces import *

tests/gui/scenarios/test_public_shares.py:45: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
(49 more lines...)

TypeError: 'NoneType' object has no attribute '__getitem__'
request = <FixtureRequest for <Function 'test_user_views_and_downloads_files_from_public_share'>>

    from tests.gui.steps.oneprovider.data_tab import *
>   from tests.gui.steps.oneprovider.file_browser import *

tests/gui/scenarios/test_public_shares.py:41: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
(49 more lines...)