Traceback (most recent call last): File "/usr/lib/python3/dist-packages/pip/req/req_install.py", line 78, in __init__ req = Requirement(req) File "/usr/share/python-wheels/packaging-16.6-py2.py3-none-any.whl/packaging/requirements.py", line 94, in __init__ requirement_string[e.loc:e.loc + 8]))pip._vendor.packaging.requirements.InvalidRequirement: Invalid requirement, parse error at "'<<<<<<< '"ERROR: Job failed: exit code 1