gistfile1.txt

In [1]: def post(queue, project, messages, client_uuid):
   ...:     return (queue, project, messages, client_uuid)
   ...: 

In [2]: post(1,2,3,4)
Out[2]: (1, 2, 3, 4)

In [3]: post(1,2,project='cats',client_uuid='dogs')
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-3-738b8b04f122> in <module>()
----> 1 post(1,2,project='cats',client_uuid='dogs')

TypeError: post() got multiple values for keyword argument 'project'

In [4]: