Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "/home/simon/work/easybuild-framework/easybuild/main.py", line 799, in <module>
    main_with_hooks()
  File "/home/simon/work/easybuild-framework/easybuild/main.py", line 785, in main_with_hooks
    main(args=args, prepared_cfg_data=(init_session_state, eb_go, cfg_settings))
  File "/home/simon/work/easybuild-framework/easybuild/main.py", line 686, in main
    print(list_software(output_format=options.output_format, detailed=options.list_software == 'detailed'))
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/simon/work/easybuild-framework/easybuild/tools/docs.py", line 809, in list_software
    if '%(' in info[key]:
       ^^^^^^^^^^^^^^^^^
TypeError: argument of type 'NoneType' is not iterable