Traceback (most recent call last):
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/packaging/requirements.py", line 92, in __init__
    req = REQUIREMENT.parseString(requirement_string)
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 1617, in parseString
    raise exc
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 1607, in parseString
    loc, tokens = self._parse( instring, 0 )
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 1379, in _parseNoCache
    loc,tokens = self.parseImpl( instring, preloc, doActions )
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 3376, in parseImpl
    loc, exprtokens = e._parse( instring, loc, doActions )
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 1379, in _parseNoCache
    loc,tokens = self.parseImpl( instring, preloc, doActions )
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 3698, in parseImpl
    return self.expr._parse( instring, loc, doActions, callPreParse=False )
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 1379, in _parseNoCache
    loc,tokens = self.parseImpl( instring, preloc, doActions )
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 3359, in parseImpl
    loc, resultlist = self.exprs[0]._parse( instring, loc, doActions, callPreParse=False )
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 1383, in _parseNoCache
    loc,tokens = self.parseImpl( instring, preloc, doActions )
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 2670, in parseImpl
    raise ParseException(instring, loc, self.errmsg, self)
pip9._vendor.pyparsing.ParseException: Expected W:(abcd...) (at char 0), (line:1, col:1)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/req/req_install.py", line 82, in __init__
    req = Requirement(req)
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/packaging/requirements.py", line 96, in __init__
    requirement_string[e.loc:e.loc + 8]))
pip9._vendor.packaging.requirements.InvalidRequirement: Invalid requirement, parse error at "'—debug'"

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/dp/.pyenv/versions/3.6.5/bin/pipenv-resolver", line 11, in <module>
    sys.exit(main())
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/resolver.py", line 74, in main
    system=system,
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/resolver.py", line 65, in resolve
    allow_global=system,
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/utils.py", line 442, in resolve_deps
    pre,
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/utils.py", line 310, in actually_resolve_reps
    c for c in req.parse_requirements(t, session=pip_requests)
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/utils.py", line 310, in <listcomp>
    c for c in req.parse_requirements(t, session=pip_requests)
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/req/req_file.py", line 93, in parse_requirements
    for req in req_iter:
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/req/req_file.py", line 158, in process_line
    isolated=isolated, options=req_options, wheel_cache=wheel_cache
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/req/req_install.py", line 235, in from_line
    wheel_cache=wheel_cache, constraint=constraint)
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/req/req_install.py", line 91, in __init__
    "Invalid requirement: '%s'\n%s" % (req, add_msg))
pip9.exceptions.InstallationError: Invalid requirement: '—debug'
Traceback (most recent call last):
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/packaging/requirements.py", line 92, in __init__
    req = REQUIREMENT.parseString(requirement_string)
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 1617, in parseString
    raise exc
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 1607, in parseString
    loc, tokens = self._parse( instring, 0 )
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 1379, in _parseNoCache
    loc,tokens = self.parseImpl( instring, preloc, doActions )
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 3376, in parseImpl
    loc, exprtokens = e._parse( instring, loc, doActions )
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 1379, in _parseNoCache
    loc,tokens = self.parseImpl( instring, preloc, doActions )
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 3698, in parseImpl
    return self.expr._parse( instring, loc, doActions, callPreParse=False )
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 1379, in _parseNoCache
    loc,tokens = self.parseImpl( instring, preloc, doActions )
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 3359, in parseImpl
    loc, resultlist = self.exprs[0]._parse( instring, loc, doActions, callPreParse=False )
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 1383, in _parseNoCache
    loc,tokens = self.parseImpl( instring, preloc, doActions )
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/pyparsing.py", line 2670, in parseImpl
    raise ParseException(instring, loc, self.errmsg, self)
pip9._vendor.pyparsing.ParseException: Expected W:(abcd...) (at char 0), (line:1, col:1)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/req/req_install.py", line 82, in __init__
    req = Requirement(req)
  File "/home/dp/.pyenv/versions/3.6.5/lib/python3.6/site-packages/pipenv/vendor/pip9/_vendor/packaging/requirements.py", line 96, in __init__
    requirement_string[e.loc:e.loc + 8]))
pip9._vendor.packaging.requirements.InvalidRequirement: Invalid requirement, parse error at "'—debug'"