Get TypeError: __init__() got an unexpected keyword argument 'strict' when about sqlacodegen HOT 7 CLOSED

mysql> create database sqlacodegentest;
Query OK, 1 row affected (0.00 sec)

mysql> use sqlacodegentest;
Database changed
mysql> CREATE TABLE `accounttypes` (
    ->   `is_hidden` enum('false','true') NOT NULL DEFAULT 'false'
    -> ) ENGINE=MyISAM AUTO_INCREMENT=8 DEFAULT CHARSET=utf8;
Query OK, 0 rows affected (0.03 sec)

mysql> Bye
(HybridCluster)exarkun@top:~/Projects/HybridCluster/develop$ sqlacodegen mysql+pymysql://root@localhost/sqlacodegentest
Traceback (most recent call last):
  File "/home/exarkun/Environments/HybridCluster/bin/sqlacodegen", line 9, in <module>
    load_entry_point('sqlacodegen==1.1.4.post1', 'console_scripts', 'sqlacodegen')()
  File "/home/exarkun/Projects/sqlacodegen/trunk/sqlacodegen/main.py", line 40, in main
    generator = CodeGenerator(metadata, args.noindexes, args.noconstraints, args.nojoined, args.noinflect)
  File "/home/exarkun/Projects/sqlacodegen/trunk/sqlacodegen/codegen.py", line 524, in __init__
    model = ModelTable(table)
  File "/home/exarkun/Projects/sqlacodegen/trunk/sqlacodegen/codegen.py", line 209, in __init__
    column.type = column.type.adapt(cls)
  File "/home/exarkun/Environments/HybridCluster/lib/python2.7/site-packages/sqlalchemy/dialects/mysql/base.py", line 1175, in adapt
    return sqltypes.Enum.adapt(self, impltype, **kw)
  File "/home/exarkun/Environments/HybridCluster/lib/python2.7/site-packages/sqlalchemy/sql/sqltypes.py", line 1145, in adapt
    **kw
  File "/home/exarkun/Environments/HybridCluster/lib/python2.7/site-packages/sqlalchemy/sql/sqltypes.py", line 1110, in __init__
    SchemaType.__init__(self, **kw)
TypeError: __init__() got an unexpected keyword argument 'strict'