Upgraded pip now just getting this error with whatever I try to run sys.stderr.write(f“ERROR: {exc}”). Does anyone know anything about this?

Question

Hello I was trying to run a program from my virtual env:

(Python Python 3.5.6 |Anaconda, Inc.| (default, Aug 26 2018, 16:05:27) [MSC v.1900 64 bit (AMD64)] on win32:)