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Pip permission denied on Ubuntu 20.04

For some reasons, I was installing python packages using sudo pip for python3.6 back in my Ubuntu 18.04. I recently upgraded ubuntu version to 20.04 which comes with python3.8 which I want to continue with. Therefore, now, my system has three python versions - 2.7, 3.6, 3.8.
$ pip -V
pip 20.2.3 from /usr/local/lib/python2.7/dist-packages/pip-21.0.1-py2.7.egg/pip (python 2.7)
$ pip3 -V
pip 20.3.4 from /home/dell/.local/lib/python3.8/site-packages/pip (python 3.8)
$ python -V
2.7.18
$ python3 -V
Python 3.8.10
But whenever I install python packages using pip3, it shows the following error -
$ pip3 install numpy
ERROR: pip's dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts.
tensorflow 2.4.1 requires numpy~=1.19.2, but you have numpy 1.22.0 which is incompatible.
Successfully installed numpy-1.22.0
ERROR: Exception:
Traceback (most recent call last):
File "/usr/lib/python3.8/shutil.py", line 791, in move
os.rename(src, real_dst)
PermissionError: [Errno 13] Permission denied: '/tmp/pip-target-x7bedgtq/lib/python/numpy-1.22.0.dist-info' -> '/usr/local/lib/python3.6/dist-packages/numpy-1.22.0.dist-info'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/dell/.local/lib/python3.8/site-packages/pip/_internal/cli/base_command.py", line 223, in _main
status = self.run(options, args)
File "/home/dell/.local/lib/python3.8/site-packages/pip/_internal/cli/req_command.py", line 180, in wrapper
return func(self, options, args)
File "/home/dell/.local/lib/python3.8/site-packages/pip/_internal/commands/install.py", line 453, in run
self._handle_target_dir(
File "/home/dell/.local/lib/python3.8/site-packages/pip/_internal/commands/install.py", line 510, in _handle_target_dir
shutil.move(
File "/usr/lib/python3.8/shutil.py", line 807, in move
copytree(src, real_dst, copy_function=copy_function,
File "/usr/lib/python3.8/shutil.py", line 557, in copytree
return _copytree(entries=entries, src=src, dst=dst, symlinks=symlinks,
File "/usr/lib/python3.8/shutil.py", line 458, in _copytree
os.makedirs(dst, exist_ok=dirs_exist_ok)
File "/usr/lib/python3.8/os.py", line 223, in makedirs
mkdir(name, mode)
PermissionError: [Errno 13] Permission denied: '/usr/local/lib/python3.6/dist-packages/numpy-1.22.0.dist-info'
It is somehow pointing to python3.6 numpy package which I installed using sudo pip. How can I solve this? Is there anyway that python3.6 packages can be unblocked from sudo access?
Or will it be fine to uninstall all the packages in '/usr/local/lib/python3.6/dist-packages/'?
EDIT for #psarka comment,
$ sudo python3.6 -m pip uninstall numpy
Traceback (most recent call last):
File "/usr/lib/python3.6/runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "/usr/lib/python3.6/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/usr/lib/python3/dist-packages/pip/__main__.py", line 16, in <module>
from pip._internal.cli.main import main as _main # isort:skip # noqa
File "/usr/lib/python3/dist-packages/pip/_internal/cli/main.py", line 10, in <module>
from pip._internal.cli.autocompletion import autocomplete
File "/usr/lib/python3/dist-packages/pip/_internal/cli/autocompletion.py", line 9, in <module>
from pip._internal.cli.main_parser import create_main_parser
File "/usr/lib/python3/dist-packages/pip/_internal/cli/main_parser.py", line 7, in <module>
from pip._internal.cli import cmdoptions
File "/usr/lib/python3/dist-packages/pip/_internal/cli/cmdoptions.py", line 19, in <module>
from distutils.util import strtobool
ModuleNotFoundError: No module named 'distutils.util'

This is not a direct answer to your question, as you are doing things the wrong way, and facing the direct consequences of doing things the wrong way. So stop, and use venv! :)
cd my_project
python3.8 -m venv venv
source venv/bin/activate
pip install whatever
If you don't have python3.8-venv, install it:
sudo apt install python3.8-venv

msys2/mingw64: pip: VC 6.0 is not supported by this module

I try to install a package in Windows 10 (mingw64) and get this error:
IEUser#MSEDGEWIN10 MINGW64 /c/Users/IEUser/PycharmProjects/myapp_msi-msys/myapp_msi
$ pip install -e git+https://source.example.lan:40443/repos/myapp_common#egg=myapp_common
Obtaining myapp_common from git+https://source.example.lan:40443/repos/myapp_common#egg=myapp_common
Cloning https://source.example.lan:40443/repos/myapp_common to c:/users/ieuser/pycharmprojects/myapp_msi-msys/myapp_msi/src/myapp-common
Username for 'https://source.example.lan:40443':
Password for 'https://tguettler#source.example.lan:40443':
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "C:/msys64/mingw64/lib/python2.7/site-packages/setuptools/__init__.py", line 191, in <module>
monkey.patch_all()
File "C:/msys64/mingw64/lib/python2.7/site-packages/setuptools/monkey.py", line 101, in patch_all
patch_for_msvc_specialized_compiler()
File "C:/msys64/mingw64/lib/python2.7/site-packages/setuptools/monkey.py", line 164, in patch_for_msvc_specialized_compiler
patch_func(*msvc9('find_vcvarsall'))
File "C:/msys64/mingw64/lib/python2.7/site-packages/setuptools/monkey.py", line 151, in patch_params
mod = import_module(mod_name)
File "C:/msys64/mingw64/lib/python2.7/importlib/__init__.py", line 37, in import_module
__import__(name)
File "C:/msys64/mingw64/lib/python2.7/distutils/msvc9compiler.py", line 306, in <module>
raise DistutilsPlatformError("VC %0.1f is not supported by this module" % VERSION)
distutils.errors.DistutilsPlatformError: VC 6.0 is not supported by this module
What can I do to fix this?
I was following these instructions to set up my development environment: https://www.gtk.org/download/windows.php
Update
Just for the records, I switched from gtk to qt (PySide2) and now I can use the default Python for windows. Everything is much easier now.

In MSYS2, many of the issues are patched downstream with the MINGW-packages that go in to the pacman repository. In this case, the reason you are getting this error is that you have setuptools pip installed, instead of installed using the pacman repository. To fix this issue:
pip uninstall setuptools
pacman -S mingw-w64-x86_64-python-setuptools
or if you are using modern Python:
pip3 uninstall setuptools
pacman -S mingw-w64-x86_x64-python3-setuptools

Pip error when using "pip install ..."

Using OSX El Capitan. Just installed a bunch of pip module and was following a few online tutorials, must have broken something as now I get the following error whenever I try to use pip (although python seems to run fine).
$ pip install pandas
Traceback (most recent call last):
File "/usr/local/bin/pip", line 5, in <module>
from pkg_resources import load_entry_point
File "build/bdist.macosx-10.9-x86_64/egg/pkg_resources.py", line 2837, in <module>
File "build/bdist.macosx-10.9-x86_64/egg/pkg_resources.py", line 451, in _build_master
File "build/bdist.macosx-10.9-x86_64/egg/pkg_resources.py", line 464, in _build_from_requirements
File "build/bdist.macosx-10.9-x86_64/egg/pkg_resources.py", line 639, in resolve
pkg_resources.DistributionNotFound: pip==1.5.6
Any helping fixing would be much appreciated.
Thanks.

Reinstall using easy_install. Close the terminal and reopen. Pip should now work.

Try updating pip first by typing pip install -U pip and the try pip install pandas. I myself use Anaconda/Miniconda. Most of the packages are well handled and the dependencies are taken care of as well by the conda package manager.

command "pip list" shows error

I wanna do python but I cannot even configure it:D . So I installed pip on Linux Mint and when type in "pip list" an error shows up:
Exception:
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 122, in main
status = self.run(options, args)
File "/usr/lib/python2.7/dist-packages/pip/commands/list.py", line 80, in run
self.run_listing(options)
File "/usr/lib/python2.7/dist-packages/pip/commands/list.py", line 142, in run_listing
self.output_package_listing(installed_packages)
File "/usr/lib/python2.7/dist-packages/pip/commands/list.py", line 151, in output_package_listing
if dist_is_editable(dist):
File "/usr/lib/python2.7/dist-packages/pip/util.py", line 348, in dist_is_editable
req = FrozenRequirement.from_dist(dist, [])
File "/usr/lib/python2.7/dist-packages/pip/__init__.py", line 286, in from_dist
assert len(specs) == 1 and specs[0][0] == '=='
AssertionError
Storing debug log for failure in /home/skorab/.pip/pip.log
What is wrong with that? I wanna install modules for python2.7 and 3.4 seperately.. Thanks!

This worked for me.
pip install -U setuptools
pip install -U pip
I had to the relink pip.
ln -s /usr/local/bin/pip /usr/bin/pip

trouble with pip and easy_install to install python packages

I am going to install numpy library as a *.whl file, as numpy-1.9.2rc1+mkl- cp27-none-win32, on my Windows 7 machine...
Here is my approaches to do that, are which pip and easy_install packages...
The odd thing is that both don't work in the case of either Python 3.4 or Python 2.7...
Here are the trace of the attempts in the command prompt:
pip:
"C:\Users\Matinking\Desktop\numpy- 1.9.2rc1+
mkl-cp27-none-win32.whl" f
Exception:
Traceback (most recent call last):
File "c:\python34\lib\site-packages\pip\basecommand.py", line 122, in main
status = self.run(options, args)
File "c:\python34\lib\site-packages\pip\commands\install.py", line 257, in r
InstallRequirement.from_line(name, None))
File "c:\python34\lib\site-packages\pip\req.py", line 172, in from_line
return cls(req, comes_from, url=url, prereleases=prereleases)
File "c:\python34\lib\site-packages\pip\req.py", line 70, in __init__
req = pkg_resources.Requirement.parse(req)
File "c:\python34\lib\site-packages\pip\_vendor\pkg_resources.py", line 2667
in parse
reqs = list(parse_requirements(s))
File "c:\python34\lib\site-packages\pip\_vendor\pkg_resources.py", line 2605
in parse_requirements
line, p, specs = scan_list(VERSION,LINE_END,line,p,(1,2),"version spec")
File "c:\python34\lib\site-packages\pip\_vendor\pkg_resources.py", line 2573
in scan_list
raise ValueError("Expected "+item_name+" in",line,"at",line[p:])
ValueError: ('Expected version spec in', ' C:\\Users\\Matinking\\Desktop\\numer
performance.pdf', 'at', ':\\Users\\Matinking\\Desktop\\numericperformance.pdf'
Storing debug log for failure in C:\Users\Matinking\pip\pip.log
and easy_install:
C:\Python34\Scripts>easy_install.exe "C:\Users\Matinking\Desktop\numpy- 1.9.2rc1+
mkl-cp27-none-win32.whl"
Processing numpy-1.9.2rc1+mkl-cp27-none-win32.whl
Writing C:\Users\MATINK~1\AppData\Local\Temp\easy_install- jr2ijafr\numpy\setup.c
fg
Running numpy\setup.py -q bdist_egg --dist-dir C:\Users\MATINK~1\AppData\Local\T
emp\easy_install-jr2ijafr\numpy\egg-dist-tmp-umy5kseg
This is the wrong setup.py file to run
No eggs found in C:\Users\MATINK~1\AppData\Local\Temp\easy_install-jr2ijafr\nump
y\egg-dist-tmp-umy5kseg (setup script problem?)
Any idea for the problem?!

You should upgrade your pip to version 6.0, the .whl file you're using isn't compatible with earlier versions.
To bump up your pip version on Windows :
python -m pip install -U pip

pip error -> why were you running an install on a pdf? That was never going to work.
easy_install error -> looks like you downloaded a python 2.7 binary and tried to install into a python 3.4 installation.
For scientific stack python, you are hard pressed to beat an Anaconda python distribution.