diff --git a/rpg/sequence.py b/rpg/sequence.py index 3371ed0c1f4238c11243a7b87f48e1342c83fab8..f4d2209b1294ea5bbca1b2e072e68c67dd2053e6 100644 --- a/rpg/sequence.py +++ b/rpg/sequence.py @@ -188,6 +188,6 @@ def check_sequence(seq): validate = seq.strip().upper() for i in validate: if i not in core.AMINOACIDS: - core.handle_errors("amino acid \"%s\" in %s not recognized." % - (i, validate), 0, "Sequence ") + raise ValueError("amino acid \"%s\" in %s not "\ + "recognized." % (i, validate)) return validate