added push

.github/workflows/push.yml

@@ -0,0 +1,29 @@
+name: Push actions
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  python-tests:
+    runs-on: "ubuntu-latest"
+    name: Run Python tests
+    env:
+      WORKING_DIRECTORY: "python"
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python 3
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.x"
+      - name: Install dependencies
+        working-directory: ${{ env.WORKING_DIRECTORY }}
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install pytest
+          python -m pip install --editable ./src/unece_excel_parser
+      - name: Test with pytest
+        working-directory: ${{ env.WORKING_DIRECTORY }}
+        run: |
+          pytest

python/src/unece_excel_parser/lib/normalizer.py

@@ -13,7 +13,7 @@ class Normalizer:
 
     @staticmethod
     def is_empty(text: any) -> bool:
-        return text is None or str(text) == "nan" or str(text) == ""
+        return text is None or str(text) == "nan" or str(text).strip() == ""
 
     @staticmethod
     def normalize_value(value) -> str | None: