name = name.strip()
prefixes = prefix_chunk.split(',')
- user_valid_types = [_.strip() for _ in prefixes]
+ user_valid_types = []
+ for prefix in prefixes:
+ prefix = prefix.strip()
+ if prefix:
+ user_valid_types.append(prefix)
# Merge the valid types together. Only types that appear in BOTH lists
# may be used.