conda update fails

[Raphael C]

I am using conda in windows 7. However conda update fails for me in some cases. For example, see below.

C:\Users\user\Downloads\kaggle-titanic>conda install pymc

Fetching package metadata: ....

Solving package specifications: ............An unexpected error has occurred, pl

ease consider sending the

following traceback to the conda GitHub issue tracker at:

    https://github.com/conda/conda/issues

Include the output of the command 'conda info' in your report.

Traceback (most recent call last):

  File "C:\Users\user\AppData\Local\Continuum\Anaconda\Scripts\conda-script.py"

, line 4, in <module>

    sys.exit(main())

  File "C:\Users\user\AppData\Local\Continuum\Anaconda\lib\site-packages\conda\

cli\main.py", line 195, in main

    args_func(args, p)

  File "C:\Users\user\AppData\Local\Continuum\Anaconda\lib\site-packages\conda\

cli\main.py", line 202, in args_func

    args.func(args, p)

  File "C:\Users\user\AppData\Local\Continuum\Anaconda\lib\site-packages\conda\

cli\main_install.py", line 45, in execute

    install.install(args, parser, 'install')

  File "C:\Users\user\AppData\Local\Continuum\Anaconda\lib\site-packages\conda\

cli\install.py", line 337, in install

    update_deps=args.update_deps)

  File "C:\Users\user\AppData\Local\Continuum\Anaconda\lib\site-packages\conda\

plan.py", line 421, in install_actions

    for name in install.win_ignore_root:

AttributeError: 'module' object has no attribute 'win_ignore_root'

C:\Users\user\Downloads\kaggle-titanic>conda info

Current conda install:

             platform : win-64

        conda version : 3.18.0

  conda-build version : 1.17.0

       python version : 2.7.10.final.0

     requests version : 2.7.0

     root environment : C:\Users\user\AppData\Local\Continuum\Anaconda  (writab

le)

  default environment : C:\Users\user\AppData\Local\Continuum\Anaconda

     envs directories : C:\Users\user\AppData\Local\Continuum\Anaconda\envs

        package cache : C:\Users\user\AppData\Local\Continuum\Anaconda\pkgs

         channel URLs : https://repo.continuum.io/pkgs/free/win-64/

                        https://repo.continuum.io/pkgs/free/noarch/

                        https://repo.continuum.io/pkgs/pro/win-64/

                        https://repo.continuum.io/pkgs/pro/noarch/

          config file : None

    is foreign system : False

Is there some way I can fix this?

Raphael

[Aaron Meurer]

This was due to a bug in conda. There are steps outlined here on how
to fix this https://github.com/conda/conda/issues/1658#issuecomment-143890870

Aaron Meurer

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