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I am having trouble installing packages with Conda when providing a specific build. For example,

conda install wrapt==1.10.11=py35h14c3975_2

yields

PackagesNotFoundError: The following packages are not available from current channels:

  - wrapt==1.10.11=py35h14c3975_2

Current channels:

  - https://repo.anaconda.com/pkgs/main/win-64
  - https://repo.anaconda.com/pkgs/main/noarch
  - https://repo.anaconda.com/pkgs/r/win-64
  - https://repo.anaconda.com/pkgs/r/noarch
  - https://repo.anaconda.com/pkgs/msys2/win-64
  - https://repo.anaconda.com/pkgs/msys2/noarch

To search for alternate channels that may provide the conda package you're
looking for, navigate to

    https://anaconda.org

and use the search bar at the top of the page.

but if I run just

conda install wrapt

it offers me a package in another build

The following NEW packages will be INSTALLED:

  wrapt              pkgs/main/win-64::wrapt-1.10.11-py35hfa6e2cd_2

So my questions are, why can't Conda install this specific build of a package and how could I circumvent it?

merv
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1 Answers1

1

Wrong Platform

Unlike versions, builds are often platform-specific. That particular build is from the main/anaconda channel under the linux-64 subdirectory. You cannot install that on a Windows system (as indicated by the channels output) because it likely includes compiled code that cannot run on that architecture.

There are directions in other answers about generating package and environment specifications that work across platforms, though this is not something Conda guarantees.

merv
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