ValueError: Indices for islice() must be None or an integer: 0 <= x <= sys.maxsize.
request = <FixtureRequest for <Function 'test_user_creates_incremental_archive_that_has_chosen_base_archive[1oz_1op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(40 more lines...)

ValueError: Indices for islice() must be None or an integer: 0 <= x <= sys.maxsize.
request = <FixtureRequest for <Function 'test_user_sees_archive_with_preserved_state_after_creating_it_and_waiting[1oz_1op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(30 more lines...)

ValueError: Indices for islice() must be None or an integer: 0 <= x <= sys.maxsize.
request = <FixtureRequest for <Function 'test_user_sees_bagit_metadata_files_and_directory_tree_in_aip_tab_and_directory_tree_in_dip_tab_in_archive_browser_after_creating_archive_with_bagit_layout_and_include_dip_option[1oz_1op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(40 more lines...)

ValueError: Indices for islice() must be None or an integer: 0 <= x <= sys.maxsize.
request = <FixtureRequest for <Function 'test_user_sees_bagit_tag_after_creating_bagit_archive[1oz_1op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(40 more lines...)

ValueError: Indices for islice() must be None or an integer: 0 <= x <= sys.maxsize.
request = <FixtureRequest for <Function 'test_user_sees_dip_tag_after_creating_archive_with_include_dip_option[1oz_1op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(40 more lines...)

ValueError: Indices for islice() must be None or an integer: 0 <= x <= sys.maxsize.
request = <FixtureRequest for <Function 'test_user_sees_directory_tree_in_archive_browser_after_creating_plain_archive[1oz_1op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(40 more lines...)

ValueError: Indices for islice() must be None or an integer: 0 <= x <= sys.maxsize.
request = <FixtureRequest for <Function 'test_user_sees_name_of_base_archive_after_creating_incremental_archive[1oz_1op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(40 more lines...)

ValueError: Indices for islice() must be None or an integer: 0 <= x <= sys.maxsize.
request = <FixtureRequest for <Function 'test_user_sees_real_directory_tree_of_downloaded_tar_generated_for_nested_archive[1oz_1op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(40 more lines...)

ValueError: Indices for islice() must be None or an integer: 0 <= x <= sys.maxsize.
request = <FixtureRequest for <Function 'test_user_sees_symbolic_links_on_child_datasets_after_creating_nested_archive_on_parent[1oz_1op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(40 more lines...)

ValueError: Indices for islice() must be None or an integer: 0 <= x <= sys.maxsize.
request = <FixtureRequest for <Function 'test_user_sees_that_dataset_does_not_have_archive_after_purging_archive[1oz_1op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(40 more lines...)

ValueError: Indices for islice() must be None or an integer: 0 <= x <= sys.maxsize.
request = <FixtureRequest for <Function 'test_user_sees_that_dataset_has_more_archives_than_its_parent_after_creating_nested_archive_on_child_dataset[1oz_1op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(40 more lines...)

ValueError: Indices for islice() must be None or an integer: 0 <= x <= sys.maxsize.
request = <FixtureRequest for <Function 'test_user_sees_that_files_that_did_not_change_since_creating_last_archive_have_2_hardlinks_tag_after_creating_new_incremental_archive[1oz_1op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(40 more lines...)

ValueError: Indices for islice() must be None or an integer: 0 <= x <= sys.maxsize.
request = <FixtureRequest for <Function 'test_user_sees_that_files_that_did_not_change_since_creating_last_two_base_archives_have_3_hardlinks_tag_after_creating_new_incremental_archive[1oz_1op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(40 more lines...)

ValueError: Indices for islice() must be None or an integer: 0 <= x <= sys.maxsize.
request = <FixtureRequest for <Function 'test_user_sees_that_newly_created_archive_has_new_file_and_is_different_than_archive_created_earlier_after_creating_new_plain_archive[1oz_1op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(40 more lines...)

ValueError: Indices for islice() must be None or an integer: 0 <= x <= sys.maxsize.
request = <FixtureRequest for <Function 'test_user_sees_that_the_base_archive_in_create_archive_modal_is_the_latest_created_archive_after_enabling_incremental_toggle[1oz_1op_deployed]'>>

    @pytest.mark.usefixtures(*function_args)
    def scenario_wrapper(request):
>       _execute_scenario(feature, scenario, request, encoding)

/usr/local/lib/python3.6/dist-packages/pytest_bdd/scenario.py:227: 
(40 more lines...)