AttributeError: 'NoneType' object has no attribute 'group'

[GiperScriper]

Traceback (most recent call last):
File "/usr/local/bin/py-mysql2pgsql", line 38, in
mysql2pgsql.Mysql2Pgsql(options).convert()
File "/usr/local/lib/python2.7/dist-packages/mysql2pgsql/mysql2pgsql.py", line 31, in convert
Converter(reader, writer, self.file_options, self.run_options.verbose).convert()
File "/usr/local/lib/python2.7/dist-packages/mysql2pgsql/lib/converter.py", line 22, in convert
tables = [t for t in (t for t in self.reader.tables if t.name not in self.exclude_tables) if not self.only_tables or t.name in self.only_tables]
File "/usr/local/lib/python2.7/dist-packages/mysql2pgsql/lib/converter.py", line 22, in
tables = [t for t in (t for t in self.reader.tables if t.name not in self.exclude_tables) if not self.only_tables or t.name in self.only_tables]
File "/usr/local/lib/python2.7/dist-packages/mysql2pgsql/lib/mysql_reader.py", line 200, in
return (self.Table(self, t[0]) for t in self.db.list_tables())
File "/usr/local/lib/python2.7/dist-packages/mysql2pgsql/lib/mysql_reader.py", line 87, in init
self._load_indexes()
File "/usr/local/lib/python2.7/dist-packages/mysql2pgsql/lib/mysql_reader.py", line 162, in _load_indexes
index['columns'] = [re.search(r'(\w+)', col).group(1) for col in match_data.group(2).split(',')]
AttributeError: 'NoneType' object has no attribute 'group'

[kworr]

Please, add some MySQL schema examples showing what you are running into.