Fix #242 - foreign key constraint error on load_sample_data
Fix #242 - foreign key constraint error on load_sample_data

stveep/openfoodnetwork,openfoodfoundation/openfoodnetwork,ltrls/openfoodnetwork,levent/openfoodnetwork,levent/openfoodnetwork,openfoodfoundation/openfoodnetwork,MikeiLL/openfoodnetwork,ecocitycore/openfoodnetwork,mkllnk/openfoodnetwork,ltrls/openfoodnetwork,KateDavis/openfoodnetwork,KosenkoDmitriy/openfoodnetwork,MikeiLL/openfoodnetwork,folklabs/openfoodnetwork,KosenkoDmitriy/openfoodnetwork,MikeiLL/openfoodnetwork,KateDavis/openfoodnetwork,Matt-Yorkley/openfoodnetwork,lin-d-hop/openfoodnetwork,RohanM/openfoodnetwork,lin-d-hop/openfoodnetwork,ecocitycore/openfoodnetwork,Em-AK/openfoodnetwork,mkllnk/openfoodnetwork,KateDavis/openfoodnetwork,KateDavis/openfoodnetwork,folklabs/openfoodnetwork,KosenkoDmitriy/openfoodnetwork,ltrls/openfoodnetwork,Matt-Yorkley/openfoodnetwork,oeoeaio/openfoodnetwork,Matt-Yorkley/openfoodnetwork,openfoodfoundation/openfoodnetwork,KosenkoDmitriy/openfoodnetwork,ecocitycore/openfoodnetwork,oeoeaio/openfoodnetwork,Matt-Yorkley/openfoodnetwork,ecocitycore/openfoodnetwork,folklabs/openfoodnetwork,Em-AK/openfoodnetwork,RohanM/openfoodnetwork,RohanM/openfoodnetwork,stveep/openfoodnetwork,mkllnk/openfoodnetwork,MikeiLL/openfoodnetwork,openfoodfoundation/openfoodnetwork,stveep/openfoodnetwork,folklabs/openfoodnetwork,stveep/openfoodnetwork,levent/openfoodnetwork,lin-d-hop/openfoodnetwork,levent/openfoodnetwork,Em-AK/openfoodnetwork,mkllnk/openfoodnetwork,lin-d-hop/openfoodnetwork,ltrls/openfoodnetwork,Em-AK/openfoodnetwork,RohanM/openfoodnetwork,oeoeaio/openfoodnetwork,oeoeaio/openfoodnetwork