attempt fix for multiple py installation

Author: alexandraBara

dev-setup.sh

@@ -1,12 +1,15 @@
 # Create venv if not already present
 if [ ! -d "venv" ]; then
-    python3 -m pip install -U virtualenv
-    python3 -m virtualenv venv
+    python3.9 -m pip install -U virtualenv
+    python3.9 -m virtualenv venv
 fi
 
 # Activate the desired venv
-source venv/bin/activate
+#source venv/bin/activate
 
-python3 -m pip install --editable .[dev] --upgrade
+#python3 -m pip install --editable .[dev] --upgrade
 
-pre-commit install
+#pre-commit install
+./venv/bin/python -m pip install --upgrade pip
+./venv/bin/python -m pip install --editable '.[dev]' --upgrade
+./venv/bin/pre-commit install