Charm layers and python2 dependencies

[Merlijn Sebrechts]

Hi all


Since shortly, Charm build creates Python3 Charms instead of Python2. I
have a Charm that installs a Python2 application. It requires some pip
dependencies like Flask, which I install using
`subprocess.check_output(['pip', 'install', ...])`.

The problem now is that for some reason, this installs the Python3 version
of Flask. Is there a way to install Python2 dependencies from a Python3
Charm using Pip?



Kind regards
Merlijn sebrechts
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