DuplicateFlagError: The flag 'data_path' is defined twice. First from run_summarization.py, Second from run_summarization.py. Description from first occurrence: Path expression to tf.Example datafiles. Can include wildcards to access multiple datafiles.

[tohidarehman1988]

Currently I am doing a project on abstractive text summarization with a pointer generator network.
I am trying to run the code from the following github repository,link is given below
using python 3.7.3
tensorflow version 1.14.0
But getting a problem "DuplicateFlagError: The flag 'data_path' is defined twice. First from run_summarization.py, Second from run_summarization.py. Description from first occurrence: Path expression to tf.Example datafiles. Can include wildcards to access multiple datafiles"

Can you please help me to resolve this issue.
It is very urgent.
please reply.