#263: Fix Black installation on Python > 3.6 + Update dependencies

Closes #263 (closed).

changed milestone to %0.8.0

added Bug Dev Env Install labels

changed title from 263 black installation to #263: Fix Black installation on Python > 3.6 + Update dependencies

changed the description

You changed the dependencies. I had no problem installing it with poetry install and making some usual operations (except certification). I guess you can merge.

assigned to @moul and unassigned @matograine

merged

added Dep label