Generator comprehension running 200x slower under PyCharm debugger

Question

PyCharm Profession 2020.2

Python \'3.8.0 (v3.8.0:fa919fdf25, Oct 14 2019, 10:23:27) \\n[Clang 6.0 (clang-600.0.57)]\'

Here is some sample code of summing a list vi