updated python to 3.9

build.sh

@@ -1,11 +1,11 @@
 #!/bin/bash
 
 echo "Building Project..."
-python -m pip install -r requirements.txt
+python3.9 -m pip install -r requirements.txt
 
 echo "Make migrations..."
-python manage.py makemigrations --noinput
-python manage.py migrate --noinput
+python3.9 manage.py makemigrations --noinput
+python3.9 manage.py migrate --noinput
 
 echo "Collect static files..."
-python manage.py collectstatic --noinput --clear
+python3.9 manage.py collectstatic --noinput --clear