PyCharm+PyUic5

Pycharm setup:  

               1.  File / settings / External tools  ……….   icon( +)      Creat Tool          

 Create Tool  Setup:

                  2.  name :  Pyuic  or  any

                  3.  description :  files convert  , ex:  xxx.ui  to  xxx.py

                  4.  Program :  your pyuic5 path

                  5. Working directory :  ui_files  and py_files  path ,

                                             ex: you can creat a path such as upper fig

                  6.  apply  &  ok   , to add PyUIC icon

YOU CAN USE  Right mouse button  to convert python files from UI files

By the way…….. you can use this way to addition another fun() such as Qt designer