Pip installation fails due to proton-client version requirements

[ghost]

Pip installation currently fails due to proton-client version requirements.

pip install bar-protonmail 
Defaulting to user installation because normal site-packages is not writeable
Collecting bar-protonmail
  Using cached bar_protonmail-1.0.0-py3-none-any.whl (8.7 kB)
ERROR: Could not find a version that satisfies the requirement proton-client>=0.7.1 (from bar-protonmail) (from versions: 0.0.4.linux-x86_64, 0.5.1.linux-x86_64, 0.0.1, 0.0.2, 0.0.3, 0.0.4, 0.0.5, 0.0.6, 0.0.7, 0.0.8, 0.0.9, 0.4.0, 0.4.1, 0.5.1)
ERROR: No matching distribution found for proton-client>=0.7.1

[crabvk]

Thank you.
This is actually known issue, but related to proton-client itself. For some unknown reason they stopped publishing packages since release 0.5.1. But you can build it yourself from the source https://github.com/ProtonMail/proton-python-client/releases/tag/0.7.1