catching pooling error in case of sqlite.
catching pooling error in case of sqlite.

jh23453/privacyidea,jalr/privacyidea,privacyidea/privacyidea,jh23453/privacyidea,jalr/privacyidea,jh23453/privacyidea,jalr/privacyidea,wheldom01/privacyidea,privacyidea/privacyidea,privacyidea/privacyidea,jh23453/privacyidea,jalr/privacyidea,wheldom01/privacyidea,wheldom01/privacyidea,jh23453/privacyidea,wheldom01/privacyidea,privacyidea/privacyidea,wheldom01/privacyidea,privacyidea/privacyidea,wheldom01/privacyidea,privacyidea/privacyidea,jalr/privacyidea,jh23453/privacyidea,jalr/privacyidea