pip 6.0.8 AttributeError when upgrading to 6.1.1 in virtualenv

[ratiotile]

Windows 7, Python 3.4.3, updated pip in base. Created virtualenv, saw that it was still on pip 6.0.8

Activated venv, ran python -m pip install pip -U

log:

Installing collected packages: pip
  Found existing installation: pip 6.0.8
    Uninstalling pip-6.0.8:
      Successfully uninstalled pip-6.0.8

  Rolling back uninstall of pip
...
     result = finder(distlib_package).find(name).bytes
 AttributeError: 'NoneType' object has no attribute 'bytes'

However, next time I run pip -V, it reports pip 6.1.1, so what is the effect of the error?

[rbtcollins]

So, this indicates that the finder didn't find the requested package. There's a reference to a closed issue 31 there in the code, but at a minimum we should be more defensive and report the parameters that failed ere.

[ratiotile]

Thanks that's good to know. So it uninstalled/installed correctly, but then it goes back and tries to find the old version again which fails?

[rbtcollins]

That failure is in ScriptMaker, so I suspect it was at the point of making the pip.exe that it failed, and further that the uninstall rollback didn't really do much, so you've got a new pip.exe entrypoint which is importing the newly installed pip version, explaining the error you're seeing.

To see if the bug is fixed, try doing a pip install -U --reinstall pip

[ratiotile]

I get no such option: --reinstall

[rbtcollins]

sorry, --force-reinstall

[ratiotile]

yes, no errors this time.

[rbtcollins]

Another report of the same: http://paste.ubuntu.com/10787243/ followed by http://paste.ubuntu.com/10787273/

[rbtcollins]

So both pip 6.0.8 and 1.5.6 fail to install 6.1.1 on Windows

[rbtcollins]

2673 has another occurence of this.

[seanvikoren]

pip install --upgrade pip
I am having the same problem: 6.0.8 to 6.1.1 (Python 2.7.8)
"pip install -U --force-reinstall pip" does not solve the issue for me.

C:\Python27
λ pip install --upgrade pip
You are using pip version 6.0.8, however version 6.1.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
Collecting pip from https://pypi.python.org/packages/py2.py3/p/pip/pip-6.1.1-py2.py3-none-any.whl#md5=172eb5abab25a5e0f7a7b63c7a49378d
  Using cached pip-6.1.1-py2.py3-none-any.whl
Installing collected packages: pip
  Found existing installation: pip 6.0.8
    Uninstalling pip-6.0.8:
      Successfully uninstalled pip-6.0.8

  Rolling back uninstall of pip
  Exception:
  Traceback (most recent call last):
    File "c:\python27\lib\site-packages\pip-6.0.8-py2.7.egg\pip\basecommand.py", line 232, in main
      status = self.run(options, args)
    File "c:\python27\lib\site-packages\pip-6.0.8-py2.7.egg\pip\commands\install.py", line 347, in run
      root=options.root_path,
    File "c:\python27\lib\site-packages\pip-6.0.8-py2.7.egg\pip\req\req_set.py", line 549, in install
      **kwargs
    File "c:\python27\lib\site-packages\pip-6.0.8-py2.7.egg\pip\req\req_install.py", line 754, in install
      self.move_wheel_files(self.source_dir, root=root)
    File "c:\python27\lib\site-packages\pip-6.0.8-py2.7.egg\pip\req\req_install.py", line 963, in move_wheel_files
      isolated=self.isolated,
    File "c:\python27\lib\site-packages\pip-6.0.8-py2.7.egg\pip\wheel.py", line 344, in move_wheel_files
      generated.extend(maker.make(spec))
    File "c:\python27\lib\site-packages\pip-6.0.8-py2.7.egg\pip\_vendor\distlib\scripts.py", line 323, in make
      self._make_script(entry, filenames, options=options)
    File "c:\python27\lib\site-packages\pip-6.0.8-py2.7.egg\pip\_vendor\distlib\scripts.py", line 227, in _make_script
      self._write_script(scriptnames, shebang, script, filenames, ext)
    File "c:\python27\lib\site-packages\pip-6.0.8-py2.7.egg\pip\_vendor\distlib\scripts.py", line 163, in _write_script
      launcher = self._get_launcher('t')
    File "c:\python27\lib\site-packages\pip-6.0.8-py2.7.egg\pip\_vendor\distlib\scripts.py", line 302, in _get_launcher
      result = finder(distlib_package).find(name).bytes
  AttributeError: 'NoneType' object has no attribute 'bytes'

[thedewster74]

I also experience this on Python 2.7.9 x64, on Windows 8.1

e:\>pip install -U  --force-reinstall pip
You are using pip version 6.0.8, however version 6.1.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
Collecting pip
  Using cached pip-6.1.1-py2.py3-none-any.whl
Installing collected packages: pip
  Found existing installation: pip 6.0.8
    Uninstalling pip-6.0.8:
      Successfully uninstalled pip-6.0.8

  Rolling back uninstall of pip
  Exception:
  Traceback (most recent call last):
    File "c:\python27x64\lib\site-packages\pip-6.0.8-py2.7.egg\pip\basecommand.py", line 232, in main
      status = self.run(options, args)
    File "c:\python27x64\lib\site-packages\pip-6.0.8-py2.7.egg\pip\commands\install.py", line 347, in run
      root=options.root_path,
    File "c:\python27x64\lib\site-packages\pip-6.0.8-py2.7.egg\pip\req\req_set.py", line 549, in install
      **kwargs
    File "c:\python27x64\lib\site-packages\pip-6.0.8-py2.7.egg\pip\req\req_install.py", line 754, in install
      self.move_wheel_files(self.source_dir, root=root)
    File "c:\python27x64\lib\site-packages\pip-6.0.8-py2.7.egg\pip\req\req_install.py", line 963, in move_wheel_files
      isolated=self.isolated,
    File "c:\python27x64\lib\site-packages\pip-6.0.8-py2.7.egg\pip\wheel.py", line 344, in move_wheel_files
      generated.extend(maker.make(spec))
    File "c:\python27x64\lib\site-packages\pip-6.0.8-py2.7.egg\pip\_vendor\distlib\scripts.py", line 323, in make
      self._make_script(entry, filenames, options=options)
    File "c:\python27x64\lib\site-packages\pip-6.0.8-py2.7.egg\pip\_vendor\distlib\scripts.py", line 227, in _make_script
      self._write_script(scriptnames, shebang, script, filenames, ext)
    File "c:\python27x64\lib\site-packages\pip-6.0.8-py2.7.egg\pip\_vendor\distlib\scripts.py", line 163, in _write_script
      launcher = self._get_launcher('t')
    File "c:\python27x64\lib\site-packages\pip-6.0.8-py2.7.egg\pip\_vendor\distlib\scripts.py", line 302, in _get_launcher
      result = finder(distlib_package).find(name).bytes
  AttributeError: 'NoneType' object has no attribute 'bytes'

[21hook]

pip 1.5.6 failed to upgrade to 7.0.1 on python 3.4.3 on Windows

Collecting pip from https://pypi.python.org/packages/py2.py3/p/pip/pip-7.0.1-py2
.py3-none-any.whl#md5=9b403ba9b82d4a1e5fda5b6cc8952b57
  Using cached pip-7.0.1-py2.py3-none-any.whl
Installing collected packages: pip
  Found existing installation: pip 6.0.8
    Exception:
    Traceback (most recent call last):
      File "E:\本地下载\python\lib\site-packages\pip\basecommand.py", line 232,
in main
        status = self.run(options, args)
      File "E:\本地下载\python\lib\site-packages\pip\commands\install.py", line
347, in run
        root=options.root_path,
      File "E:\本地下载\python\lib\site-packages\pip\req\req_set.py", line 543,
in install
        requirement.uninstall(auto_confirm=True)
      File "E:\本地下载\python\lib\site-packages\pip\req\req_install.py", line 6
25, in uninstall
        for path in pip.wheel.uninstallation_paths(dist):
      File "E:\本地下载\python\lib\site-packages\pip\wheel.py", line 407, in uni
que
        for item in fn(*args, **kw):
      File "E:\本地下载\python\lib\site-packages\pip\wheel.py", line 426, in uni
nstallation_paths
        r = csv.reader(FakeFile(dist.get_metadata_lines('RECORD')))
      File "E:\本地下载\python\lib\site-packages\pip\_vendor\pkg_resources\__ini
t__.py", line 1540, in get_metadata_lines
        return yield_lines(self.get_metadata(name))
      File "E:\本地下载\python\lib\site-packages\pip\_vendor\pkg_resources\__ini
t__.py", line 1537, in get_metadata
        return self._get(self._fn(self.egg_info, name)).decode("utf-8")
    UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb1 in position 22942:
invalid start byte

[Tset-Noitamotua]

Same sh** with pip 7.1.0 with Python 2.7 on Window 7 64bit - see below.

BUT HAPPILY easy_install -U pip did it for me and upgraded to 7.1.2 :)

H:\>pip install -U pip
You are using pip version 7.1.0, however version 7.1.2 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.
Collecting pip
  Using cached pip-7.1.2-py2.py3-none-any.whl
Installing collected packages: pip
  Found existing installation: pip 7.1.0
    Uninstalling pip-7.1.0:
      Successfully uninstalled pip-7.1.0
  Rolling back uninstall of pip
Exception:
Traceback (most recent call last):
  File "c:\python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\basecommand.py", line 223, in main
    status = self.run(options, args)
  File "c:\python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\commands\install.py", line 299, in run
    root=options.root_path,
  File "c:\python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\req\req_set.py", line 646, in install
    **kwargs
  File "c:\python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\req\req_install.py", line 813, in install
    self.move_wheel_files(self.source_dir, root=root)
  File "c:\python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\req\req_install.py", line 1008, in move_wheel_files
    isolated=self.isolated,
  File "c:\python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\wheel.py", line 449, in move_wheel_files
    generated.extend(maker.make(spec))
  File "c:\python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\_vendor\distlib\scripts.py", line 323, in make
    self._make_script(entry, filenames, options=options)
  File "c:\python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\_vendor\distlib\scripts.py", line 227, in _make_script
    self._write_script(scriptnames, shebang, script, filenames, ext)
  File "c:\python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\_vendor\distlib\scripts.py", line 163, in _write_script
    launcher = self._get_launcher('t')
  File "c:\python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\_vendor\distlib\scripts.py", line 302, in _get_launcher
    result = finder(distlib_package).find(name).bytes
AttributeError: 'NoneType' object has no attribute 'bytes'

[michalfita]

Same problem on Windows 7 x64, pip 7.1.2, pypy 2.4.0 on initial installation using the get-pip script:

Installing collected packages: pip, setuptools, wheel
Exception:
Traceback (most recent call last):
  File "c:\users\manveru\appdata\local\temp\tmpz6jby3\pip.zip\pip/basecommand.py
", line 211, in main
    status = self.run(options, args)
  File "c:\users\manveru\appdata\local\temp\tmpz6jby3\pip.zip\pip/commands/insta
ll.py", line 311, in run
    root=options.root_path,
  File "c:\users\manveru\appdata\local\temp\tmpz6jby3\pip.zip\pip/req/req_set.py
", line 646, in install
    **kwargs
  File "c:\users\manveru\appdata\local\temp\tmpz6jby3\pip.zip\pip/req/req_instal
l.py", line 803, in install
    self.move_wheel_files(self.source_dir, root=root)
  File "c:\users\manveru\appdata\local\temp\tmpz6jby3\pip.zip\pip/req/req_instal
l.py", line 998, in move_wheel_files
    isolated=self.isolated,
  File "c:\users\manveru\appdata\local\temp\tmpz6jby3\pip.zip\pip/wheel.py", lin
e 449, in move_wheel_files
    generated.extend(maker.make(spec))
  File "c:\users\manveru\appdata\local\temp\tmpz6jby3\pip.zip\pip/_vendor/distli
b/scripts.py", line 353, in make
    self._make_script(entry, filenames, options=options)
  File "c:\users\manveru\appdata\local\temp\tmpz6jby3\pip.zip\pip/_vendor/distli
b/scripts.py", line 257, in _make_script
    self._write_script(scriptnames, shebang, script, filenames, ext)
  File "c:\users\manveru\appdata\local\temp\tmpz6jby3\pip.zip\pip/_vendor/distli
b/scripts.py", line 193, in _write_script
    launcher = self._get_launcher('t')
  File "c:\users\manveru\appdata\local\temp\tmpz6jby3\pip.zip\pip/_vendor/distli
b/scripts.py", line 332, in _get_launcher
    result = finder(distlib_package).find(name).bytes
AttributeError: 'NoneType' object has no attribute 'bytes'

The trick with:

pypy -m pip install -U --force-reinstall pip

worked.

[MatijaxD]

I had the same problem, this worked for me http://stackoverflow.com/questions/31792591/error-while-upgrading-to-pip-7-1-10-on-windows-8-1-python-2-7/31799230#31799230

[AbdullahRaza]

easy_install -U pip worked for me . Thanks :+1:

[laolai]

easy_install -U pip worked for me too . Thanks for all

[PaluMacil]

Win 10 and Python 3.4.4, same error, the pip force reinstall thing didn't work but the easy_install -U pip did.

[Zitrax]

Same here, using easy_install helped.

[summerela]

Yep, same. Windows 10. Python 2.7.10.

easy_install -U pip

The above command worked.

[driftluo]

Yes, the same error. Windows 10. Python 3.5.1.
easy_install -U pip
But the above command worked

[marlboro3420]

Windows 10. Python 2.7.12.

easy_install -U pip

可以更新，不过如果Python安装在C盘可能没有权限操作文件会报错，用管理员权限启动cmd可以解决。

[weistart]

easy_install -U pip worked for me . Thanks :+1:

[RonnyPfannschmidt]

please note that easy_install -U pip has some dire consequences as it does an egg based install instead of a sane install

[dstufft]

Closing this, if it continues to happen please reopen this issue or open a new one with reproduction steps.

[CaterWang]

I was run 'python -m pip install -U --force-reinstall pip' , python 3.6
Collecting pip
Using cached pip-9.0.1-py2.py3-none-any.whl
Installing collected packages: pip
Found existing installation: pip 8.1.2
Uninstalling pip-8.1.2:
Successfully uninstalled pip-8.1.2
Rolling back uninstall of pip
Exception:
Traceback (most recent call last):
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\basecommand.py", line 215, in main
status = self.run(options, args)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pipcommands\install.py", line 317, in run
prefix=options.prefix_path,
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\req\req_set.py", line 742, in install
**kwargs
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\req\req_install.py", line 831, in install
self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\req\req_install.py", line 1032, in move_wheel_files
isolated=self.isolated,
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip\wheel.py", line 463, in move_wheel_files
generated.extend(maker.make(spec))
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip_vendor\distlib\scripts.py", line 372, in make
self._make_script(entry, filenames, options=options)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip_vendor\distlib\scripts.py", line 276, in _make_script
self._write_script(scriptnames, shebang, script, filenames, ext)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip_vendor\distlib\scripts.py", line 212, in _write_script
launcher = self._get_launcher('t')
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip_vendor\distlib\scripts.py", line 351, in _get_launcher
result = finder(distlib_package).find(name).bytes
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pip_vendor\distlib\resources.py", line 324, in finder
raise DistlibException('Unable to locate finder for %r' % package)
pip._vendor.distlib.DistlibException: Unable to locate finder for 'pip._vendor.distlib'
You are using pip version 8.1.2, however version 9.0.1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.

[OrangeDog]

Getting the error on a Windows 10 virtualenv.

> python --version
Python 3.6.3
> pip --version
pip 9.0.1 from c:\...\venv\lib\site-packages\pip-9.0.1-py3.6.egg (python 3.6)
> python -m pip install --upgrade pip
Collecting pip
  Downloading pip-9.0.3-py2.py3-none-any.whl (1.4MB)
    100% |████████████████████████████████| 1.4MB 729kB/s
Installing collected packages: pip
  Found existing installation: pip 9.0.1
    Uninstalling pip-9.0.1:
      Successfully uninstalled pip-9.0.1
  Rolling back uninstall of pip
Exception:
Traceback (most recent call last):
  File "C:\...\venv\lib\site-packages\pip-9.0.1-py3.6.egg\pip\basecommand.py", line 215, in main
    status = self.run(options, args)
  File "C:\...\venv\lib\site-packages\pip-9.0.1-py3.6.egg\pip\commands\install.py", line 342, in run
    prefix=options.prefix_path,
  File "C:\...\venv\lib\site-packages\pip-9.0.1-py3.6.egg\pip\req\req_set.py", line 784, in install
    **kwargs
  File "C:\...\venv\lib\site-packages\pip-9.0.1-py3.6.egg\pip\req\req_install.py", line 851, in install
    self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
  File "C:\...\venv\lib\site-packages\pip-9.0.1-py3.6.egg\pip\req\req_install.py", line 1064, in move_wheel_files
    isolated=self.isolated,
  File "C:\...\venv\lib\site-packages\pip-9.0.1-py3.6.egg\pip\wheel.py", line 462, in move_wheel_files
    generated.extend(maker.make(spec))
  File "C:\...\venv\lib\site-packages\pip-9.0.1-py3.6.egg\pip\_vendor\distlib\scripts.py", line 372, in make
    self._make_script(entry, filenames, options=options)
  File "C:\...\venv\lib\site-packages\pip-9.0.1-py3.6.egg\pip\_vendor\distlib\scripts.py", line 276, in _make_script
    self._write_script(scriptnames, shebang, script, filenames, ext)
  File "C:\...\venv\lib\site-packages\pip-9.0.1-py3.6.egg\pip\_vendor\distlib\scripts.py", line 212, in _write_script
    launcher = self._get_launcher('t')
  File "C:\...\venv\lib\site-packages\pip-9.0.1-py3.6.egg\pip\_vendor\distlib\scripts.py", line 351, in _get_launcher
    result = finder(distlib_package).find(name).bytes
AttributeError: 'NoneType' object has no attribute 'bytes'

[pradyunsg]

@OrangeDog I'm curious how you have pip 9.0.1 installed as an egg. That shouldn't happen usually.

[OrangeDog]

@pradyunsg interesting.
The system Python was installed with the official Windows installer.
The virtualenv was created by IntelliJ IDEA (with the Python plugin).

[pfmoore]

Older versions of IntelliJ IDEA installed pip as an egg. I reported that some time ago (over a year, I think) and I thought they'd fixed it. Are you using an old version of IDEA?

[pfmoore]

https://youtrack.jetbrains.com/issue/PY-25048

[OrangeDog]

That was only one version ago, and the ticket is still open, so I guess that's why.
Is there an easy way to re-install it as not an egg?

[timjklein36]

I also faced this issue, when using Intellij IDEA to set up the virtualenv.
Python: 3.6.3
Pip: 9.0.1
Intellij: 2018.1 (Ultimate Edition) 181.4203.550
Windows 7: 6.1

Running easy_install -U pip seemed to work for me. Not sure if @RonnyPfannschmidt's warning is relevant as I don't know what an "egg based install" is. It installed pip 10.0.0b2 and seems to be working fine.

[OrangeDog]

Is there an easy way to re-install it as not an egg?

virtualenv --clear will do it, but also wipes all the other packages

[ned2]

I'm seeing this same problem trying to upgrade pip within a virtualenv that was created with pip 9.0.1 by PyCharm.

[pradyunsg]

This seems to be occurring again, with pip 9 -> pip 10 upgrades. Issue for that is #5343.

[lock[bot]]

This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.