After pulling the docker image not able to run parliament2, facing an import error how to sort out ? (ImportError: cannot import name _remove_dead_weakref)

docker run dnanexus/parliament2:hgsc -h Traceback (most recent call last): File "/home/dnanexus/parliament2.py", line 3, in import argparse File "/miniconda/lib/python2.7/argparse.py", line 86, in import copy as _copy File "/miniconda/lib/python2.7/copy.py", line 52, in import weakref File "/miniconda/lib/python2.7/weakref.py", line 14, in from _weakref import ( ImportError: cannot import name _remove_dead_weakref