Traceback (most recent call last):


 "/usr/local/lib/python3.6/site-packages/superset/connectors/sqla/views.py", line 351, in pre_add

table.get_sqla_table_object()


 "/usr/local/lib/python3.6/site-packages/superset/connectors/sqla/models.py", line 964, in get_sqla_table_object

return self.database.get_table(self.table_name, schema=self.schema)


 "/usr/local/lib/python3.6/site-packages/superset/models/core.py", line 1161, in get_table

autoload_with=self.get_sqla_engine(),


 "<string>", line 2, in __new__


 "/usr/local/lib/python3.6/site-packages/sqlalchemy/util/deprecations.py", line 128, in warned

return fn(*args, **kwargs)


 "/usr/local/lib/python3.6/site-packages/sqlalchemy/sql/schema.py", line 506, in __new__

metadata._remove_table(name, schema)


 "/usr/local/lib/python3.6/site-packages/sqlalchemy/util/langhelpers.py", line 68, in __exit__

compat.reraise(exc_type, exc_value, exc_tb)


 "/usr/local/lib/python3.6/site-packages/sqlalchemy/util/compat.py", line 153, in reraise

raise value


 "/usr/local/lib/python3.6/site-packages/sqlalchemy/sql/schema.py", line 501, in __new__

table._init(name, metadata, *args, **kw)


 "/usr/local/lib/python3.6/site-packages/sqlalchemy/sql/schema.py", line 595, in _init

resolve_fks=resolve_fks,


 "/usr/local/lib/python3.6/site-packages/sqlalchemy/sql/schema.py", line 619, in _autoload

_extend_on=_extend_on,


 "/usr/local/lib/python3.6/site-packages/sqlalchemy/engine/base.py", line 2163, in run_callable

return conn.run_callable(callable_, *args, **kwargs)


 "/usr/local/lib/python3.6/site-packages/sqlalchemy/engine/base.py", line 1615, in run_callable

return callable_(self, *args, **kwargs)


 "/usr/local/lib/python3.6/site-packages/sqlalchemy/engine/default.py", line 460, in reflecttable

table, include_columns, exclude_columns, resolve_fks, **opts


 "/usr/local/lib/python3.6/site-packages/sqlalchemy/engine/reflection.py", line 642, in reflecttable

table_name, schema, **table.dialect_kwargs


 "/usr/local/lib/python3.6/site-packages/sqlalchemy/engine/reflection.py", line 369, in get_columns

self.bind, table_name, schema, info_cache=self.info_cache, **kw


 "<string>", line 2, in get_columns


 "/usr/local/lib/python3.6/site-packages/sqlalchemy/engine/reflection.py", line 50, in cache

ret = info_cache.get(key)
TypeError: unhashable type: 'list'

Traceback (most recent call last):

 "/usr/lib/python3.3/unittest/case.py", line 384, in _executeTestPart
function()

 "/usr/lib/python3.3/unittest/loader.py", line 32, in testFailure
raise exceptionImportError: Failed to import test module: pages.tests.test_models