Add None placeholder if context is missing
Add None placeholder if context is missing

sorgerlab/belpy,bgyori/indra,sorgerlab/belpy,bgyori/indra,sorgerlab/belpy,sorgerlab/indra,johnbachman/indra,sorgerlab/indra,bgyori/indra,johnbachman/belpy,johnbachman/belpy,sorgerlab/indra,johnbachman/indra,johnbachman/indra,johnbachman/belpy