pipenv install

[vahan690]

[root@chia chia-monitor]# pipenv install
Installing dependencies from Pipfile.lock (6752a6)...
Traceback (most recent call last):
File "/usr/local/bin/pipenv", line 11, in
sys.exit(cli())
File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 1128, in call
return self.main(*args, **kwargs)
File "/usr/local/lib/python3.6/site-packages/pipenv/cli/options.py", line 56, in main
return super().main(*args, **kwargs, windows_expand_args=False)
File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 1053, in main
rv = self.invoke(ctx)
File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 1659, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 1395, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 754, in invoke
return __callback(*args, **kwargs)
File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/click/decorators.py", line 84, in new_func
return ctx.invoke(f, obj, *args, **kwargs)
File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 754, in invoke
return __callback(*args, **kwargs)
File "/usr/local/lib/python3.6/site-packages/pipenv/cli/command.py", line 241, in install
site_packages=state.site_packages,
File "/usr/local/lib/python3.6/site-packages/pipenv/core.py", line 2102, in do_install
keep_outdated=keep_outdated,
File "/usr/local/lib/python3.6/site-packages/pipenv/core.py", line 1343, in do_init
pypi_mirror=pypi_mirror,
File "/usr/local/lib/python3.6/site-packages/pipenv/core.py", line 870, in do_install_dependencies
project, normal_deps, procs, failed_deps_queue, requirements_dir, **install_kwargs
File "/usr/local/lib/python3.6/site-packages/pipenv/core.py", line 728, in batch_install
dep for dep in deps_to_install if not project.environment.is_satisfied(dep)
File "/usr/local/lib/python3.6/site-packages/pipenv/core.py", line 728, in
dep for dep in deps_to_install if not project.environment.is_satisfied(dep)
File "/usr/local/lib/python3.6/site-packages/pipenv/environment.py", line 859, in is_satisfied
elif req.line_instance.specifiers is not None:
File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/requirementslib/models/requirements.py", line 2553, in line_instance
self.line_instance = self.get_line_instance()
File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/requirementslib/models/requirements.py", line 2547, in get_line_instance
return Line(line)
File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/requirementslib/models/requirements.py", line 171, in init
self.parse()
File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/requirementslib/models/requirements.py", line 1289, in parse
self.parse_extras()
File "/usr/local/lib/python3.6/site-packages/pipenv/vendor/requirementslib/models/requirements.py", line 577, in parse_extras
self.line, extras = pip_shims.shims._strip_extras(self.line)
TypeError: 'NoneType' object is not callable