{"push_id":972030623,"size":1,"distinct_size":0,"ref":"refs/heads/3.5","head":"a5c9a0d5d15be2436359ad65b36843b44ffa9c5a","before":"902f4a93e7a01f7b8d3aedad77e6c608d57a8c0a","commits":[{"sha":"a5c9a0d5d15be2436359ad65b36843b44ffa9c5a","author":{"email":"adfc8f0aec273eace2629141317c1eac53923f28@python.org","name":"Guido van Rossum"},"message":"Hopefully clarify the difference between Optional[t] and an optional argument.","distinct":false,"url":"https://api.github.com/repos/python/cpython/commits/a5c9a0d5d15be2436359ad65b36843b44ffa9c5a"}]}