Dear users
I want to install z2pack code ,following error occurred at the end of installation.

    no previously-included directories found matching 'doc'
Downloading/unpacking fsc.export (from z2pack)
  Downloading fsc.export-1.1.0.tar.gz
  Running setup.py (path:/tmp/pip_build_aamiraslam/fsc.export/setup.py) egg_info for package fsc.export
    error in fsc.export setup command: Invalid environment marker: python_version < "3"
    Complete output from command python setup.py egg_info:
    error in fsc.export setup command: Invalid environment marker: python_version < "3"

----------------------------------------
Cleaning up...
Command python setup.py egg_info failed with error code 1 in /tmp/pip_build_aamiraslam/fsc.export
Storing debug log for failure in /home/aamiraslam/.pip/pip.log



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Best Regards
Abdul Jalil
PhD Student
Department of Material Science & Engineering
University of Science and Technology