fix pathes

Author: patapenka-alexey

.github/workflows/packing.yml

@@ -551,9 +551,9 @@ jobs:
       - name: Run tests
         run: |
           . .venv/bin/activate
-          apt install -y `pwd`/deb_dist/python3-tarantool_*.deb
-          export PYTHONPATH=$PYTHONPATH:/usr/lib/python3.11:/usr/lib/python3.12:/usr/bin:/usr/lib/python3/dist-packages/tarantool
+          export PYTHONPATH=$PYTHONPATH:/usr/lib/python3.11:/usr/lib/python3.12:/usr/bin:/usr/lib/python3/dist-packages:/usr/lib/python3/dist-packages/tarantool
           echo PYTHONPATH=$PYTHONPATH
+          export PATH=$PATH:/usr/lib/python3/dist-packages
           echo PATH=$PATH
           make test-pure-install
         if: matrix.target.dist == 'bookworm' || matrix.target.dist == 'noble'