Error while checking for conflicts

[Ascensiony]

Hey,

Every time I try to install a package from pip it gives me the following Traceback:

Example Package

pip install jupyter-kite

Traceback

Collecting jupyter-kite
  Downloading jupyter-kite-1.2.0.tar.gz (30 kB)
Requirement already satisfied: notebook>=4.3.1 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from jupyter-kite) (6.1.3)
Requirement already satisfied: tornado>=5.1.0 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from jupyter-kite) (6.0.4)
Requirement already satisfied: setuptools in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from jupyter-kite) (49.6.0.post20200814)
Requirement already satisfied: terminado>=0.8.3 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from notebook>=4.3.1->jupyter-kite) (0.8.3)
Requirement already satisfied: Send2Trash in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from notebook>=4.3.1->jupyter-kite) (1.5.0)
Requirement already satisfied: jupyter-core>=4.6.1 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from notebook>=4.3.1->jupyter-kite) (4.6.3)
Requirement already satisfied: traitlets>=4.2.1 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from notebook>=4.3.1->jupyter-kite) (4.3.3)
Requirement already satisfied: jupyter-client>=5.3.4 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from notebook>=4.3.1->jupyter-kite) (6.1.6)
Requirement already satisfied: prometheus-client in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from notebook>=4.3.1->jupyter-kite) (0.8.0)
Requirement already satisfied: ipykernel in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from notebook>=4.3.1->jupyter-kite) (5.3.4)
Requirement already satisfied: ipython-genutils in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from notebook>=4.3.1->jupyter-kite) (0.2.0)
Requirement already satisfied: pyzmq>=17 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from notebook>=4.3.1->jupyter-kite) (19.0.2)
Requirement already satisfied: jinja2 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from notebook>=4.3.1->jupyter-kite) (2.11.2)
Requirement already satisfied: nbformat in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from notebook>=4.3.1->jupyter-kite) (5.0.7)
Requirement already satisfied: argon2-cffi in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from notebook>=4.3.1->jupyter-kite) (20.1.0)
Requirement already satisfied: nbconvert in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from notebook>=4.3.1->jupyter-kite) (5.6.1)
Requirement already satisfied: ptyprocess; os_name != "nt" in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from terminado>=0.8.3->notebook>=4.3.1->jupyter-kite) (0.6.0)
Requirement already satisfied: decorator in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from traitlets>=4.2.1->notebook>=4.3.1->jupyter-kite) (4.4.2)
Requirement already satisfied: six in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from traitlets>=4.2.1->notebook>=4.3.1->jupyter-kite) (1.15.0)
Requirement already satisfied: python-dateutil>=2.1 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from jupyter-client>=5.3.4->notebook>=4.3.1->jupyter-kite) (2.8.1)
Requirement already satisfied: appnope; platform_system == "Darwin" in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from ipykernel->notebook>=4.3.1->jupyter-kite) (0.1.0)
Requirement already satisfied: ipython>=5.0.0 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from ipykernel->notebook>=4.3.1->jupyter-kite) (7.17.0)
Requirement already satisfied: MarkupSafe>=0.23 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from jinja2->notebook>=4.3.1->jupyter-kite) (1.1.1)
Requirement already satisfied: jsonschema!=2.5.0,>=2.4 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from nbformat->notebook>=4.3.1->jupyter-kite) (3.2.0)
Requirement already satisfied: cffi>=1.0.0 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from argon2-cffi->notebook>=4.3.1->jupyter-kite) (1.14.2)
Requirement already satisfied: pandocfilters>=1.4.1 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from nbconvert->notebook>=4.3.1->jupyter-kite) (1.4.2)
Requirement already satisfied: bleach in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from nbconvert->notebook>=4.3.1->jupyter-kite) (3.1.5)
Requirement already satisfied: entrypoints>=0.2.2 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from nbconvert->notebook>=4.3.1->jupyter-kite) (0.3)
Requirement already satisfied: defusedxml in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from nbconvert->notebook>=4.3.1->jupyter-kite) (0.6.0)
Requirement already satisfied: testpath in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from nbconvert->notebook>=4.3.1->jupyter-kite) (0.4.4)
Requirement already satisfied: mistune<2,>=0.8.1 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from nbconvert->notebook>=4.3.1->jupyter-kite) (0.8.4)
Requirement already satisfied: pygments in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from nbconvert->notebook>=4.3.1->jupyter-kite) (2.6.1)
Requirement already satisfied: pexpect; sys_platform != "win32" in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from ipython>=5.0.0->ipykernel->notebook>=4.3.1->jupyter-kite) (4.8.0)
Requirement already satisfied: prompt-toolkit!=3.0.0,!=3.0.1,<3.1.0,>=2.0.0 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from ipython>=5.0.0->ipykernel->notebook>=4.3.1->jupyter-kite) (3.0.6)
Requirement already satisfied: pickleshare in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from ipython>=5.0.0->ipykernel->notebook>=4.3.1->jupyter-kite) (0.7.5)
Requirement already satisfied: jedi>=0.10 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from ipython>=5.0.0->ipykernel->notebook>=4.3.1->jupyter-kite) (0.17.2)
Requirement already satisfied: backcall in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from ipython>=5.0.0->ipykernel->notebook>=4.3.1->jupyter-kite) (0.2.0)
Requirement already satisfied: pyrsistent>=0.14.0 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from jsonschema!=2.5.0,>=2.4->nbformat->notebook>=4.3.1->jupyter-kite) (0.16.0)
Requirement already satisfied: importlib-metadata; python_version < "3.8" in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from jsonschema!=2.5.0,>=2.4->nbformat->notebook>=4.3.1->jupyter-kite) (1.7.0)
Requirement already satisfied: attrs>=17.4.0 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from jsonschema!=2.5.0,>=2.4->nbformat->notebook>=4.3.1->jupyter-kite) (20.3.0)
Requirement already satisfied: pycparser in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from cffi>=1.0.0->argon2-cffi->notebook>=4.3.1->jupyter-kite) (2.20)
Requirement already satisfied: webencodings in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from bleach->nbconvert->notebook>=4.3.1->jupyter-kite) (0.5.1)
Requirement already satisfied: packaging in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from bleach->nbconvert->notebook>=4.3.1->jupyter-kite) (20.4)
Requirement already satisfied: wcwidth in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from prompt-toolkit!=3.0.0,!=3.0.1,<3.1.0,>=2.0.0->ipython>=5.0.0->ipykernel->notebook>=4.3.1->jupyter-kite) (0.2.5)
Requirement already satisfied: parso<0.8.0,>=0.7.0 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from jedi>=0.10->ipython>=5.0.0->ipykernel->notebook>=4.3.1->jupyter-kite) (0.7.1)
Requirement already satisfied: zipp>=0.5 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from importlib-metadata; python_version < "3.8"->jsonschema!=2.5.0,>=2.4->nbformat->notebook>=4.3.1->jupyter-kite) (3.1.0)
Requirement already satisfied: pyparsing>=2.0.2 in /opt/anaconda3/envs/fastai/lib/python3.7/site-packages (from packaging->bleach->nbconvert->notebook>=4.3.1->jupyter-kite) (2.4.7)
Building wheels for collected packages: jupyter-kite
  Building wheel for jupyter-kite (setup.py) ... done
  Created wheel for jupyter-kite: filename=jupyter_kite-1.2.0-py3-none-any.whl size=43027 sha256=fc165395784d22ee9dee7835d1a21efc81d7ab2f1e1f95ecedb356e3087c2f28
  Stored in directory: /Users/roughrider404/Library/Caches/pip/wheels/eb/13/20/609dbbc2f0a5353bbe6e1167bb1dec5664f0fd8048422496c8
Successfully built jupyter-kite
ERROR: Error while checking for conflicts. Please file an issue on pip's issue tracker: https://github.com/pypa/pip/issues/new
Traceback (most recent call last):
  File "/opt/anaconda3/envs/fastai/lib/python3.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 3021, in _dep_map
    return self.__dep_map
  File "/opt/anaconda3/envs/fastai/lib/python3.7/site-packages/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 "/opt/anaconda3/envs/fastai/lib/python3.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 3012, in _parsed_pkg_info
    return self._pkg_info
  File "/opt/anaconda3/envs/fastai/lib/python3.7/site-packages/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 "/opt/anaconda3/envs/fastai/lib/python3.7/site-packages/pip/_internal/commands/install.py", line 535, in _determine_conflicts
    return check_install_conflicts(to_install)
  File "/opt/anaconda3/envs/fastai/lib/python3.7/site-packages/pip/_internal/operations/check.py", line 108, in check_install_conflicts
    package_set, _ = create_package_set_from_installed()
  File "/opt/anaconda3/envs/fastai/lib/python3.7/site-packages/pip/_internal/operations/check.py", line 50, in create_package_set_from_installed
    package_set[name] = PackageDetails(dist.version, dist.requires())
  File "/opt/anaconda3/envs/fastai/lib/python3.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 2736, in requires
    dm = self._dep_map
  File "/opt/anaconda3/envs/fastai/lib/python3.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 3023, in _dep_map
    self.__dep_map = self._compute_dependencies()
  File "/opt/anaconda3/envs/fastai/lib/python3.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 3032, in _compute_dependencies
    for req in self._parsed_pkg_info.get_all('Requires-Dist') or []:
  File "/opt/anaconda3/envs/fastai/lib/python3.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 3014, in _parsed_pkg_info
    metadata = self.get_metadata(self.PKG_INFO)
  File "/opt/anaconda3/envs/fastai/lib/python3.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 1420, in get_metadata
    value = self._get(path)
  File "/opt/anaconda3/envs/fastai/lib/python3.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 1616, in _get
    with open(path, 'rb') as stream:
FileNotFoundError: [Errno 2] No such file or directory: '/opt/anaconda3/envs/fastai/lib/python3.7/site-packages/numpy-1.19.1.dist-info/METADATA'
Installing collected packages: jupyter-kite
Successfully installed jupyter-kite-1.2.0

• pip version: pip 20.2.2 from /opt/anaconda3/envs/fastai/lib/python3.7/site-packages/pip (python 3.7)
• Python version: 3.7.7
• Operating system: macOS Big Sur

[uranusjr]

Kindly refer to #8676 (comment). Please also give it a thumbs up if it solves your problem! It would help people after you find the solution.