Allow forced registration of extension by default#3

Merged

ines merged 2 commits intoexplosion:masterfrom graphext:extension_check

Apr 9, 2019

+9-7

Commits on Nov 14, 2018

Allow forced registration of extension by default, in case class is instantiated more than once.
buhrmann
committed
Add pytest cache folder to git ignore.
buhrmann
committed