TestExecute hijacks my python path

I run testExecute via a python wrapper, it populates a powershell command line promp which is executed to run the configured testsuite. but when it exits it has hijacked the python path:

where.exe python
c:\program files (x86)\smartbear\testexecute 15\x64\Bin\Extensions\Python\Python311\python.exe
C:\dist\venvs\bam-extras-mobj\Scripts\python.exe
C:\dist\Python312\python.exe
C:\Users\ip_admin.BPLAB\AppData\Local\Microsoft\WindowsApps\python.exe

Same if I start Test Complete and exits my base python has changed.

This changed with 13.7X

You should not change parent config from a child process.