edited silent_popen docstring

Author: mashed5894

tagstudio/src/qt/helpers/silent_popen.py

@@ -5,7 +5,8 @@
 import subprocess
 import sys
 
-"""Implementation of subprocess.Popen that does not spawn console windows or log output."""
+"""Implementation of subprocess.Popen that does not spawn console windows or log output
+and sanitizes pyinstall environment variables."""
 
 
 def silent_Popen(  # noqa: N802