当我从Anaconda打开Spyder时，收到这样一个报错：
you have missing dependencies
#Mandatory
pyls>=0.31.0;<0.32.0:0.1.6(NOK)
please install them to aiod this message
……
我试图用pip或者conda安装pyls板块，但得到了不同的报错：
使用pip时的报错——
ERROR: Error checking for conflicts.
Traceback (most recent call last):
File "d:\anaconda\envs\tensorflow\lib\site-packages\pip-20.2b1-py3.7.egg\pip\_vendor\pkg_resources\__init__.py", line 3021, in _dep_map
return self.__dep_map
File "d:\anaconda\envs\tensorflow\lib\site-packages\pip-20.2b1-py3.7.egg\pip\_vendor\pkg_resources\__init__.py", line 2815, in __getattr__
raise AttributeError(attr)
AttributeError: _DistInfoDistribution__dep_map
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "d:\anaconda\envs\tensorflow\lib\site-packages\pip-20.2b1-py3.7.egg\pip\_vendor\pkg_resources\__init__.py", line 3012, in _parsed_pkg_info
return self._pkg_info
File "d:\anaconda\envs\tensorflow\lib\site-packages\pip-20.2b1-py3.7.egg\pip\_vendor\pkg_resources\__init__.py", line 2815, in __getattr__
raise AttributeError(attr)
AttributeError: _pkg_info
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "d:\anaconda\envs\tensorflow\lib\site-packages\pip-20.2b1-py3.7.egg\pip\_internal\commands\install.py", line 509, in _warn_about_conflicts
package_set, _dep_info = check_install_conflicts(to_install)
File "d:\anaconda\envs\tensorflow\lib\site-packages\pip-20.2b1-py3.7.egg\pip\_internal\operations\check.py", line 114, in check_install_conflicts
package_set, _ = create_package_set_from_installed()
File "d:\anaconda\envs\tensorflow\lib\site-packages\pip-20.2b1-py3.7.egg\pip\_internal\operations\check.py", line 53, in create_package_set_from_installed
package_set[name] = PackageDetails(dist.version, dist.requires())
File "d:\anaconda\envs\tensorflow\lib\site-packages\pip-20.2b1-py3.7.egg\pip\_vendor\pkg_resources\__init__.py", line 2736, in requires
dm = self._dep_map
File "d:\anaconda\envs\tensorflow\lib\site-packages\pip-20.2b1-py3.7.egg\pip\_vendor\pkg_resources\__init__.py", line 3023, in _dep_map
self.__dep_map = self._compute_dependencies()
File "d:\anaconda\envs\tensorflow\lib\site-packages\pip-20.2b1-py3.7.egg\pip\_vendor\pkg_resources\__init__.py", line 3032, in _compute_dependencies
for req in self._parsed_pkg_info.get_all('Requires-Dist') or []:
File "d:\anaconda\envs\tensorflow\lib\site-packages\pip-20.2b1-py3.7.egg\pip\_vendor\pkg_resources\__init__.py", line 3014, in _parsed_pkg_info
metadata = self.get_metadata(self.PKG_INFO)
File "d:\anaconda\envs\tensorflow\lib\site-packages\pip-20.2b1-py3.7.egg\pip\_vendor\pkg_resources\__init__.py", line 1420, in get_metadata
value = self._get(path)
File "d:\anaconda\envs\tensorflow\lib\site-packages\pip-20.2b1-py3.7.egg\pip\_vendor\pkg_resources\__init__.py", line 1616, in _get
with open(path, 'rb') as stream:
FileNotFoundError: [Errno 2] No such file or directory: 'd:\\anaconda\\envs\\tensorflow\\lib\\site-packages\\rsa-4.0.dist-info\\METADATA'
使用conda时的报错——
(tensorflow) C:\Users\wangl>conda install pyls
Collecting package metadata (current_repodata.json): done
Solving environment: failed with initial frozen solve. Retrying with flexible solve.
Collecting package metadata (repodata.json): failed
# >>>>>>>>>>>>>>>>>>>>>> ERROR REPORT <<<<<<<<<<<<<<<<<<<<<<
Traceback (most recent call last):
File "D:\Anaconda\lib\site-packages\conda\core\subdir_data.py", line 248, in _load
repodata_fn=self.repodata_fn)
File "D:\Anaconda\lib\site-packages\conda\core\subdir_data.py", line 598, in fetch_repodata_remote_request
raise Response304ContentUnchanged()
conda.core.subdir_data.Response304ContentUnchanged
请问一下，是什么原因导致了这种情况？是python和anaconda的冲突吗？我是直接在anaconda里安装的python，并没有单独安装？现在应该如何解决这个难题呢？
