How can import python external libraries in TestComplete

As we know Python supports lot of third party libraries or external libraries for make it simpler and easy to do any task. 

How we can Import such required third party libraries or external libraries in TestComplete. Where we need to place or install such libraries.

I have install openpyxl library using pip install openpyxl  its install successfully but in TestComplete I am getting error "ImportError- No module named openpyxl"

Please help. :)