Are you using virtual environments ?

I found an issues where it seemed like part of the standard library was missing - and it was due to my virtual environment having an old version of the Python 2 binary. Some time in the Python 2.7 lifecycle, there was a change as to how the standard library C code modules were included in the binary.

If you are using the 'pip' command you are likely to be using the Python 2 pip - even if you have Python 3.5 installed.

I would :

1. Check if you are using a virtual environment
2. Check the version of Python 2.7 you are using; the latest available
   is 2.7.14
3. If you are using a virtual env and it is out of date (but your
   system wide Python2.7 is ok), you can simply copy the python binary
   over.
4. If both virtual env and System Python are ok - double check your pip
   version, and Django version (although I doubt they are the issue).
5. If your system is out of date - update the system version.

I am not sure the same issue exists with old Python 3 versions - but it might be worth ensuring that you up to date versions of Python3.x and also 'pip3' which is the Python3 version of pip on systems with both Python 2 & Python 3 installed.

Good luck.

--
Anthony Flury
email : *anthony.fl...@btinternet.com*
Twitter : *@TonyFlury <https://twitter.com/TonyFlury/>*

On 12/04/18 20:58, Ankush Sharma wrote:
Hi Babatunde ,
I installed other listed tools ! Here the main concern im talking about is Argsparse -
the Progressbar2 3.6.2 requires argparse, which is not installed.
Thanks in advance
Ank





On Thu, 12 Apr 2018 at 20:53, Babatunde Akinyanmi <tundeba...@gmail.com <mailto:tundeba...@gmail.com>> wrote:

    This is not a django problem. Simply install and upgrade the apps
    specified in the error message

    On Thu, 12 Apr 2018, 16:03 Ank, <ankush....@gmail.com
    <mailto:ankush....@gmail.com>> wrote:

        Hi all,

        Iḿ trying to setup Catmaid -
        http://catmaid.readthedocs.io/en/stable/. Iḿ receiving this
        error when installing requirements.

        Progressbar2 3.6.2 requires argparse, which is not installed.
        twisted 17.9.0 requires zope.interface>=3.6.0, which is not
        installed.
        matplotlib 2.1.0 requires backports.functools-lru-cache, which
        is not installed.
        django-rest-swagger 2.1.2 has requirement
        djangorestframework>=3.5.4, but you'll have
        djangorestframework 3.5.3 which is incompatible



         How it can be resolved ?

        Best
        Ank
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