PyPI deploy failing on Windows: "Couldn't install pip, setuptools, twine or wheel."

[native-api]

Pypi deployment fails with 'module' object is not callable

You are arranging for the upload logic (changes in pypi.rb between v1.8.45 and the latest v1 release as of this writing) to be run in a custom Anaconda Python environment which it wasn’t designed for. So you are the one responsible for dealing with the fallout here. Though Travis may accept changes that would make it easier for you, at their discretion. In particular, your environment seems to already have another version of pip and possibly other related modules that may not be compatible wit…