installation issue

[ChenCongZ]

Traceback (most recent call last):
File "/home/chencong/anaconda3/lib/python3.9/site-packages/pip/_internal/cli/base_command.py", line 105, in _run_wrapper
status = _inner_run()
File "/home/chencong/anaconda3/lib/python3.9/site-packages/pip/_internal/cli/base_command.py", line 96, in _inner_run
return self.run(options, args)
File "/home/chencong/anaconda3/lib/python3.9/site-packages/pip/_internal/cli/req_command.py", line 67, in wrapper
return func(self, options, args)
File "/home/chencong/anaconda3/lib/python3.9/site-packages/pip/_internal/commands/install.py", line 483, in run
installed_versions[distribution.canonical_name] = distribution.version
File "/home/chencong/anaconda3/lib/python3.9/site-packages/pip/_internal/metadata/pkg_resources.py", line 192, in version
return parse_version(self._dist.version)
File "/home/chencong/anaconda3/lib/python3.9/site-packages/pip/_vendor/packaging/version.py", line 56, in parse
return Version(version)
File "/home/chencong/anaconda3/lib/python3.9/site-packages/pip/_vendor/packaging/version.py", line 202, in init
raise InvalidVersion(f"Invalid version: '{version}'")
pip._vendor.packaging.version.InvalidVersion: Invalid version: '4.0.0-unsupported'