Fixing asf in pfam. ASF is null when alr is not null.
Fixing asf in pfam. ASF is null when alr is not null.

openfisca/openfisca-matplotlib,openfisca/openfisca-matplotlib,openfisca/openfisca-qt,openfisca/openfisca-qt,adrienpacifico/openfisca-matplotlib