Traceback (most recent call last):


 "src/main.py", line 19, in <module>

ex = Experiment("pymarl")


 "/anaconda3/lib/python3.7/site-packages/sacred/experiment.py", line 75, in __init__

_caller_globals=caller_globals)


 "/anaconda3/lib/python3.7/site-packages/sacred/ingredient.py", line 57, in __init__

gather_sources_and_dependencies(_caller_globals)


 "/anaconda3/lib/python3.7/site-packages/sacred/dependencies.py", line 487, in gather_sources_and_dependencies

sources = gather_sources(globs, experiment_path)


 "/anaconda3/lib/python3.7/site-packages/sacred/dependencies.py", line 440, in get_sources_from_imported_modules

return get_sources_from_modules(iterate_imported_modules(globs), base_path)


 "/anaconda3/lib/python3.7/site-packages/sacred/dependencies.py", line 409, in get_sources_from_modules

filename = os.path.abspath(mod.__file__)


 "/anaconda3/lib/python3.7/posixpath.py", line 378, in abspath

path = os.fspath(path)
TypeError: expected str, bytes or os.PathLike object, not NoneType
Traceback (most recent call last):


 "/usr/lib64/python3.6/site-packages/nose/case.py", line 197, in runTest

self.test(*self.arg)
TypeError: test_should_fail() missing 1 required positional argument: 'tdata'
