After upgrade from Pycharm 2017.2.3 to Pycharm 2017.1.4 Pycharm\'s Debugger suggested to build cpython (or sth associated with it):
Pycharm 2017.2.3
Pycharm 2017.1.4
p
I had the same with 2017.1.4 Problem was resolved after update to 2017.1.5