update comment

src/cq_cli/cq_cli.py

@@ -1,7 +1,8 @@
 #!/usr/bin/env python3
 
-# attempting to fix build failures on macOS
-# https://stackoverflow.com/questions/27472194/syntax-error-whenever-i-try-to-use-sys-stderr
+# surprisingly, this seems to fix issues on macOS - it shouldn't be necessary
+# for any python3 installation, but this program fails to run on macOS without
+# this import.
 from __future__ import print_function
 
 import os