Fix the PyBEL version to an earlier one
Fix the PyBEL version to an earlier one

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