Merge pull request #12 from Kpler/update-nix

chore: update nix shell

Author: hnomichith

shell.nix

@@ -38,6 +38,8 @@ in pkgs.mkShell {
     KPLER_VENV_DIR="$KPLER_PROJECT_DIR/.venv/py310"
     python -m venv $KPLER_VENV_DIR
     PATH="$KPLER_VENV_DIR/bin:$PATH"
+    # Add source root to python path
+    export PYTHONPATH="$KPLER_PROJECT_DIR/src:$PYTHONPATH"
 
     # install project dependencies
     echo -e "\033[1;33m\n>>> UPDATING PYTHON DEPENDENCIES\033[0m"