Fix poetry issues

.github/workflows/reusable_python_example.yml

@@ -22,7 +22,7 @@ jobs:
 
   run_notebook_test:
     name: test
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     defaults:
       run:
         shell: bash

cognee/tests/unit/processing/utils/utils_test.py

@@ -123,8 +123,8 @@ async def test_create_cognee_style_network_with_logo():
         title="Test Network",
         layout_func=nx.spring_layout,
         layout_scale=3.0,
-        logo_alpha=0.5,)
-
+        logo_alpha=0.5,
+    )
 
     assert result is not None
     assert isinstance(result, str)