`Traceback (most recent call last):


 "<string>", line 1, in <module>


 "/base/data/home/apps/s~sympy-live-hrd/49.400254913747479351/sympy/sympy/core/basic.py", line 889, in subs

d = Dummy(commutative=new.is_commutative)


 "/base/data/home/apps/s~sympy-live-hrd/49.400254913747479351/sympy/sympy/core/symbol.py", line 205, in __new__

cls._sanitize(assumptions, cls)


 "/base/data/home/apps/s~sympy-live-hrd/49.400254913747479351/sympy/sympy/core/symbol.py", line 65, in _sanitize

'%scommutativity must be True or False.' % whose)
ValueError: Dummy commutativity must be True or False.`

Traceback (most recent call last):


 "apistarclient.py", line 99, in <module>

apistr.request('thing_create', name='asdfiiiii')


 "./.venv/lib/python3.6/site-packages/apistar/client/client.py", line 85, in request

raise exceptions.ClientError(messages=exc.messages) from None
apistar.exceptions.ClientError: [ErrorMessage('Invalid property name.', code='invalid_property', index=['name'], position=None)]
