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Installing html5lib for Python on Ubunto

Dependencies on html5lib are pretty broad across developer tools on Linux. I uncovered this issue while attempting to implement the selenium test suite for my Django app. When I attempt to pip install, I receive the below error. How do I adjust my system to grab and install html5lib?
Traceback (most recent call last):
File "/home/satch/.local/bin/pip", line 8, in <module>
sys.exit(main())
File "/usr/lib/python3/dist-packages/pip/_internal/cli/main.py", line 73, in main
command = create_command(cmd_name, isolated=("--isolated" in cmd_args))
File "/usr/lib/python3/dist-packages/pip/_internal/commands/__init__.py", line 104,
in create_command
module = importlib.import_module(module_path)
File "/usr/lib/python3.10/importlib/__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 883, in exec_module
File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
File "/usr/lib/python3/dist-packages/pip/_internal/commands/install.py", line 24,
in <module>
from pip._internal.cli.req_command import RequirementCommand, with_cleanup
File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 16,
in <module>
from pip._internal.index.package_finder import PackageFinder
File "/usr/lib/python3/dist-packages/pip/_internal/index/package_finder.py", line 21,
in <module>
from pip._internal.index.collector import parse_links
File "/usr/lib/python3/dist-packages/pip/_internal/index/collector.py", line 14,
in <module>
from pip._vendor import html5lib, requests
ImportError: cannot import name 'html5lib' from 'pip._vendor'
(/usr/lib/python3/dist-packages/pip/_vendor/__init__.py)

ImportError: cannot import name 'Response' from 'pip._vendor.requests' (unknown location)

I put "pip install scrapy-user-agents" on cmd, so I got this:
Traceback (most recent call last):
File "c:\users\duvan requena\appdata\local\programs\python\python39\lib\runpy.py", line 197, in _run_module_as_main
return _run_code(code, main_globals, None,
File "c:\users\duvan requena\appdata\local\programs\python\python39\lib\runpy.py", line 87, in _run_code
exec(code, run_globals)
File "C:\Users\Duvan Requena\AppData\Local\Programs\Python\Python39\Scripts\pip.exe\__main__.py", line 7, in <module>
File "c:\users\duvan requena\appdata\local\programs\python\python39\lib\site-packages\pip\_internal\cli\main.py", line 69, in main
command = create_command(cmd_name, isolated=("--isolated" in cmd_args))
File "c:\users\duvan requena\appdata\local\programs\python\python39\lib\site-packages\pip\_internal\commands\__init__.py", line 91, in create_command
module = importlib.import_module(module_path)
File "c:\users\duvan requena\appdata\local\programs\python\python39\lib\importlib\__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 855, in exec_module
File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
File "c:\users\duvan requena\appdata\local\programs\python\python39\lib\site-packages\pip\_internal\commands\install.py", line 15, in <module>
from pip._internal.cli.req_command import (
File "c:\users\duvan requena\appdata\local\programs\python\python39\lib\site-packages\pip\_internal\cli\req_command.py", line 20, in <module>
from pip._internal.index.collector import LinkCollector
File "c:\users\duvan requena\appdata\local\programs\python\python39\lib\site-packages\pip\_internal\index\collector.py", line 29, in <module>
from pip._vendor.requests import Response
ImportError: cannot import name 'Response' from 'pip._vendor.requests' (unknown location)
What should I do? I've been looking for the error but it doesn't seem like there would be people with the same problem

How solve this Import error when pip list at venv?

I am using python3.8.8 in windows10. I just typed pip list in
venv(CMD) which showed a big error. I was using this venv for pip
installing tensorflow which also showed this similar error
## Heading ## (venv) C:\Users\HP>pip list Traceback (most recent
call last): File
"c:\users\hp\appdata\local\programs\python\python38\lib\runpy.py",
line 194, in _run_module_as_main
return _run_code(code, main_globals, None, File "c:\users\hp\appdata\local\programs\python\python38\lib\runpy.py",
line 87, in _run_code
exec(code, run_globals) File "C:\Users\HP\venv\Scripts\pip.exe\__main__.py", line 7, in <module>
File "c:\users\hp\venv\lib\site-packages\pip\_internal\cli\main.py",
line 71, in main
command = create_command(cmd_name, isolated=("--isolated" in cmd_args)) File
"c:\users\hp\venv\lib\site-packages\pip\_internal\commands\__init__.py",
line 96, in create_command
module = importlib.import_module(module_path) File "c:\users\hp\appdata\local\programs\python\python38\lib\importlib\__init__.py",
line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level) File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
File "<frozen importlib._bootstrap>", line 991, in _find_and_load
File "<frozen importlib._bootstrap>", line 975, in
_find_and_load_unlocked File "<frozen importlib._bootstrap>", line 671, in _load_unlocked File "<frozen
importlib._bootstrap_external>", line 783, in exec_module File
"<frozen importlib._bootstrap>", line 219, in
_call_with_frames_removed File "c:\users\hp\venv\lib\site-packages\pip\_internal\commands\list.py",
line 5, in <module>
from pip._internal.cli.req_command import IndexGroupCommand File
"c:\users\hp\venv\lib\site-packages\pip\_internal\cli\req_command.py",
line 16, in <module>
from pip._internal.index.collector import LinkCollector File "c:\users\hp\venv\lib\site-packages\pip\_internal\index\collector.py",
line 16, in <module>
from pip._vendor import html5lib, requests File "c:\users\hp\venv\lib\site-packages\pip\_vendor\html5lib\__init__.py",
line 25, in <module>
from .html5parser import HTMLParser, parse, parseFragment File "c:\users\hp\venv\lib\site-packages\pip\_vendor\html5lib\html5parser.py",
line 6, in <module>
from . import _inputstream File "c:\users\hp\venv\lib\site-packages\pip\_vendor\html5lib\_inputstream.py",
line 10, in <module>
from pip._vendor import webencodings ImportError: cannot import name 'webencodings' from 'pip._vendor'
(c:\users\hp\venv\lib\site-packages\pip\_vendor\__init__.py)

Pip source code string can't contain null bytes

I'm trying to list pip packages, but when I run pip list, I get this error message
Traceback (most recent call last):
File "c:\users\ben\appdata\local\programs\python\python38-32\lib\runpy.py", line 194, in _run_module_as_main
return _run_code(code, main_globals, None,
File "c:\users\ben\appdata\local\programs\python\python38-32\lib\runpy.py", line 87, in _run_code
exec(code, run_globals)
File "C:\Users\Ben\AppData\Local\Programs\Python\Python38-32\Scripts\pip.exe\__main__.py", line 7, in <module>
File "c:\users\ben\appdata\local\programs\python\python38-32\lib\site-packages\pip\_internal\cli\main.py", line 73, in main
command = create_command(cmd_name, isolated=("--isolated" in cmd_args))
File "c:\users\ben\appdata\local\programs\python\python38-32\lib\site-packages\pip\_internal\commands\__init__.py", line 104, in create_command
module = importlib.import_module(module_path)
File "c:\users\ben\appdata\local\programs\python\python38-32\lib\importlib\__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
File "<frozen importlib._bootstrap>", line 991, in _find_and_load
File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 783, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "c:\users\ben\appdata\local\programs\python\python38-32\lib\site-packages\pip\_internal\commands\list.py", line 9, in <module>
from pip._internal.cli.req_command import IndexGroupCommand
File "c:\users\ben\appdata\local\programs\python\python38-32\lib\site-packages\pip\_internal\cli\req_command.py", line 16, in <module>
from pip._internal.index.collector import LinkCollector
File "c:\users\ben\appdata\local\programs\python\python38-32\lib\site-packages\pip\_internal\index\collector.py", line 14, in <module>
from pip._vendor import html5lib, requests
File "c:\users\ben\appdata\local\programs\python\python38-32\lib\site-packages\pip\_vendor\html5lib\__init__.py", line 25, in <module>
from .html5parser import HTMLParser, parse, parseFragment
File "c:\users\ben\appdata\local\programs\python\python38-32\lib\site-packages\pip\_vendor\html5lib\html5parser.py", line 6, in <module>
from . import _inputstream
File "c:\users\ben\appdata\local\programs\python\python38-32\lib\site-packages\pip\_vendor\html5lib\_inputstream.py", line 10, in <module>
from pip._vendor import webencodings
ValueError: source code string cannot contain null bytes
I thought it was just a problem with the list command and forgot about it, so I installed a pip package. However, when I put the command in, I still got the same error message. Pip was working fine before so I don't know if there's a problem with a piece of code I need to fix or something.

ImportError: cannot import name 'ensure_str' from 'six'

when i tried to install netfilterqueue this error came up.
even i can't uninstall/check/install using pip.
And i searched over the stackoverflow and one of those said use :
sudo pip install -U setuptools
And again this error came up.
Traceback (most recent call last):
File "/usr/bin/pip", line 33, in <module>
sys.exit(load_entry_point('pip==20.1.1', 'console_scripts', 'pip')())
File "/usr/lib/python3.8/site-packages/pip/_internal/cli/main.py", line 73, in main
command = create_command(cmd_name, isolated=("--isolated" in cmd_args))
File "/usr/lib/python3.8/site-packages/pip/_internal/commands/__init__.py", line 104, in create_command
module = importlib.import_module(module_path)
File "/usr/lib/python3.8/importlib/__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
File "<frozen importlib._bootstrap>", line 991, in _find_and_load
File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 783, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "/usr/lib/python3.8/site-packages/pip/_internal/commands/install.py", line 24, in <module>
from pip._internal.cli.req_command import RequirementCommand, with_cleanup
File "/usr/lib/python3.8/site-packages/pip/_internal/cli/req_command.py", line 20, in <module>
from pip._internal.operations.prepare import RequirementPreparer
File "/usr/lib/python3.8/site-packages/pip/_internal/operations/prepare.py", line 15, in <module>
from pip._internal.distributions import (
File "/usr/lib/python3.8/site-packages/pip/_internal/distributions/__init__.py", line 2, in <module>
from pip._internal.distributions.wheel import WheelDistribution
File "/usr/lib/python3.8/site-packages/pip/_internal/distributions/wheel.py", line 5, in <module>
from pip._internal.utils.wheel import pkg_resources_distribution_for_wheel
File "/usr/lib/python3.8/site-packages/pip/_internal/utils/wheel.py", line 12, in <module>
from pip._vendor.six import PY2, ensure_str
ImportError: cannot import name 'ensure_str' from 'six' (/usr/lib/python3.8/site-packages/six.py)
Thanks in advance.

I was able to make this work by copying six.py from https://github.com/benjaminp/six.git into /usr/lib/python3.8/six.py ... you'll need sudo to create or update this file.