get_db_adaptors should return an empty hash not an undefined value
get_db_adaptors should return an empty hash not an undefined value

Ensembl/ensembl,james-monkeyshines/ensembl,danstaines/ensembl,muffato/ensembl,james-monkeyshines/ensembl,Ensembl/ensembl,mjg17/ensembl,james-monkeyshines/ensembl,muffato/ensembl,willmclaren/ensembl,Ensembl/ensembl,at7/ensembl,at7/ensembl,mjg17/ensembl,muffato/ensembl,Ensembl/ensembl,danstaines/ensembl,muffato/ensembl,james-monkeyshines/ensembl,at7/ensembl,mjg17/ensembl,willmclaren/ensembl,mjg17/ensembl,danstaines/ensembl,at7/ensembl