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[Solved] Python Pip broken wiith sys.stderr.write(f“ERROR: {exc}”)

How To Solve Python Pip broken with sys.stderr.write(f“ERROR: {exc}”) error in my Vagrant VM using box bento/centos-7 .

Here is I am Adding All Possible solutions that I have tried to Solve This Error. Without wasting your time, Let’s start this article.

How Python Pip broken wiith sys.stderr.write(f“ERROR: {exc}”) error occurs ?

I Have Installed Python in my CentOs-7. I want to update my pip. So I just use pip install –upgrade pip this command to update my pip.

when I upgrade Pip I notice that my Python is broken. After that all pip commands end with SyntaxError.

Collecting pip
  Using cached https://files.pythonhosted.org/packages/9e/24/bc928987f35dd0167f21b13a1777c21b9c5917c9894cff93f1c1a6cb8f3b/pip-21.0.tar.gz
Installing collected packages: pip
  Found existing installation: pip 8.1.2
    Uninstalling pip-8.1.2:
      Successfully uninstalled pip-8.1.2
  Running setup.py install for pip ... done
Successfully installed pip-21.0
[[email protected] ~]# /usr/bin/pip2 install --upgrade pip setuptools pyOpenSSL psycopg2-binary lxml
Traceback (most recent call last):
  File "/usr/bin/pip2", line 9, in <module>
    load_entry_point('pip==21.0', 'console_scripts', 'pip2')()
  File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 378, in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
  File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 2566, in load_entry_point
    return ep.load()
  File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 2260, in load
    entry = __import__(self.module_name, globals(),globals(), ['__name__'])
  File "/usr/lib/python2.7/site-packages/pip/_internal/cli/main.py", line 60
    sys.stderr.write(f"ERROR: {exc}")
                                   ^
SyntaxError: invalid syntax

here is I am Adding All Possible solutions that I have tried to Solve This Error.

How to solve Python Pip broken wiith sys.stderr.write(f“ERROR: {exc}”) ?

Question : How to solve Python pip broken with sys.stderr.write(f”ERROR: {exc}”) ?

Answer: This Problem Is Caused due to PIP community dropped support to 2.7. So You just have to upgrade pip to latest version.

Solution 1

This Problem Is Caused due to PIP community dropped support to 2.7. So You just have to upgrade pip to latest version.

DEPRECATION: Python 2.7 reached the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 is no longer maintained. pip 21.0 will drop support for Python 2.7 in January 2021. More details about Python 2 support in pip can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support pip 21.0 will remove support for this functionality.

To fix this and continue with unsupported Python 2.7 you should not upgrade to the latest pip version but to a version < 21.

pip install --upgrade "pip < 21.0"

Solution 2


You can get an older version (2.7) of get-pip.py

curl https://bootstrap.pypa.io/2.7/get-pip.py --output get-pip.py

Summery

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3 thoughts on “[Solved] Python Pip broken wiith sys.stderr.write(f“ERROR: {exc}”)”

  1. Hi, I tried above solution but doesn’t work in my case.

    Traceback (most recent call last):
    File “/usr/local/bin/pip”, line 11, in
    load_entry_point(‘pip==21.0.1’, ‘console_scripts’, ‘pip’)()
    File “/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources/__init__.py”, line 489, in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
    File “/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources/__init__.py”, line 2843, in load_entry_point
    return ep.load()
    File “/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources/__init__.py”, line 2434, in load
    return self.resolve()
    File “/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources/__init__.py”, line 2440, in resolve
    module = __import__(self.module_name, fromlist=[‘__name__’], level=0)
    File “/Library/Python/2.7/site-packages/pip-21.0.1-py2.7.egg/pip/_internal/cli/main.py”, line 60
    sys.stderr.write(f”ERROR: {exc}”)
    ^
    SyntaxError: invalid syntax

    Reply
    • You can get an older version (2.7) of get-pip.py

      curl https://bootstrap.pypa.io/2.7/get-pip.py –output get-pip.py
      In my opinion, you should create a python2 virtualenv and install your python2 package in it, as well as pip2. For example, when I installed cuckoo sandbox, I did it like this:

      virtualenv –python=python2 cuckoo/ # make your virtualenv folder with python2
      cd cuckoo
      source bin/activate
      curl https://bootstrap.pypa.io/2.7/get-pip.py –output get-pip.py # get pip for python2
      python get-pip.py # install pip in your virtualenv
      pip install cuckoo # install your python2 package

      Reply

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