Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: alexlib

Makefile

@@ -2,7 +2,7 @@ PROJECT := openptv_python
 CONDA := conda
 CONDAFLAGS :=
 COV_REPORT := html
-PYTHON ?= .venv/bin/python
+PYTHON ?= python
 
 default: qa unit-tests type-check