TypeError: unhashable type: 'list'
  File "unrelated/file/path.py", line 30, in get_table
    table = sa.Table(name, metadata, schema=schema, autoload=True, autoload_with=engine)
  File "<string>", line 2, in __new__
  File "sqlalchemy/util/deprecations.py", line 128, in warned
    return fn(*args, **kwargs)
  File "sqlalchemy/sql/schema.py", line 506, in __new__
    metadata._remove_table(name, schema)
  File "sqlalchemy/util/langhelpers.py", line 68, in __exit__
    compat.reraise(exc_type, exc_value, exc_tb)
  File "sqlalchemy/util/compat.py", line 153, in reraise
    raise value
  File "sqlalchemy/sql/schema.py", line 501, in __new__
    table._init(name, metadata, *args, **kw)
  File "sqlalchemy/sql/schema.py", line 590, in _init
    self._autoload(
  File "sqlalchemy/sql/schema.py", line 613, in _autoload
    autoload_with.run_callable(
  File "sqlalchemy/engine/base.py", line 2163, in run_callable
    return conn.run_callable(callable_, *args, **kwargs)
  File "sqlalchemy/engine/base.py", line 1615, in run_callable
    return callable_(self, *args, **kwargs)
  File "sqlalchemy/engine/default.py", line 459, in reflecttable
    return insp.reflecttable(
  File "sqlalchemy/engine/reflection.py", line 641, in reflecttable
    for col_d in self.get_columns(
  File "sqlalchemy/engine/reflection.py", line 368, in get_columns
    col_defs = self.dialect.get_columns(
  File "<string>", line 2, in get_columns
  File "sqlalchemy/engine/reflection.py", line 50, in cache
    ret = info_cache.get(key)