使用 pip install、pip list 等时的不同错误消息 [英] Different error messages when using pip install, pip list ect
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问题描述
当我尝试解决另一个问题时pip 卸载 scikit-learn
这样做之后,我收到了红色文本,例如:
I was attempting to fix another issue when i tried to do
pip uninstall scikit-learn
After doing that I received red text such as:
pip install --upgrade pip
Error checking for conflicts.
Traceback (most recent call last):
File "c:usersjamesappdatalocalprogramspythonpython37libsite-packages
pip\_vendorpkg_resources\__init__.py", line 2584, in version
return self._version
File "c:usersjamesappdatalocalprogramspythonpython37libsite-packages
pip\_vendorpkg_resources\__init__.py", line 2691, in __getattr__
raise AttributeError(attr)
AttributeError: _version
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "c:usersjamesappdatalocalprogramspythonpython37libsite-packages
pip\_internalcommandsinstall.py", line 503, in _warn_about_conflicts
package_set, _dep_info = check_install_conflicts(to_install)
File "c:usersjamesappdatalocalprogramspythonpython37libsite-packages
pip\_internaloperationscheck.py", line 108, in check_install_conflicts
package_set, _ = create_package_set_from_installed()
File "c:usersjamesappdatalocalprogramspythonpython37libsite-packages
pip\_internaloperationscheck.py", line 47, in create_package_set_from_installe
d
package_set[name] = PackageDetails(dist.version, dist.requires())
File "c:usersjamesappdatalocalprogramspythonpython37libsite-packages
pip\_vendorpkg_resources\__init__.py", line 2589, in version
raise ValueError(tmpl % self.PKG_INFO, self)
ValueError: ("Missing 'Version:' header and/or METADATA file", Unknown [unknown
version] (c:usersjamesappdatalocalprogramspythonpython37libsite-package
s))
C:UsersJames>pip list
Exception:
Traceback (most recent call last):
File "c:usersjamesappdatalocalprogramspythonpython37libsite-packages
pip\_vendorpkg_resources\__init__.py", line 2584, in version
return self._version
File "c:usersjamesappdatalocalprogramspythonpython37libsite-packages
pip\_vendorpkg_resources\__init__.py", line 2691, in __getattr__
raise AttributeError(attr)
AttributeError: _version
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "c:usersjamesappdatalocalprogramspythonpython37libsite-packages
pip\_internalcliase_command.py", line 176, in main
status = self.run(options, args)
File "c:usersjamesappdatalocalprogramspythonpython37libsite-packages
pip\_internalcommandslist.py", line 148, in run
self.output_package_listing(packages, options)
File "c:usersjamesappdatalocalprogramspythonpython37libsite-packages
pip\_internalcommandslist.py", line 205, in output_package_listing
data, header = format_for_columns(packages, options)
File "c:usersjamesappdatalocalprogramspythonpython37libsite-packages
pip\_internalcommandslist.py", line 271, in format_for_columns
row = [proj.project_name, proj.version]
File "c:usersjamesappdatalocalprogramspythonpython37libsite-packages
pip\_vendorpkg_resources\__init__.py", line 2589, in version
raise ValueError(tmpl % self.PKG_INFO, self)
ValueError: ("Missing 'Version:' header and/or METADATA file", Unknown [unknown
version] (c:usersjamesappdatalocalprogramspythonpython37libsite-package
s))
有关如何解决此问题的任何建议 (Windows).我什至不知道要搜索什么这个错误.任何建议都是一种祝福!
Any advise on how I would fix this (Windows). I do not even know what to search for this error. Any advice would be a blessing!
推荐答案
中解决了类似的问题此问题位于 pip GitHub 存储库.
A similar problem is addressed in this Issue on the pip GitHub repository.
在你的情况下的建议是进入
The recommendation in your case would be to go into
c:usersjamesappdatalocalprogramspythonpython37libsite-packages
并且,对于每个以-"开头的文件夹,将其删除并重新安装相应的包.
and, for each folder that starts with "-", delete it and reinstall the corresponding package.
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