diff --git a/.github/workflows/code_checks.yml b/.github/workflows/code_checks.yml
index 9a7dde6dfe14..bfe50532422a 100644
--- a/.github/workflows/code_checks.yml
+++ b/.github/workflows/code_checks.yml
@@ -116,7 +116,7 @@ jobs:
         run: python3 ./scripts/check_binaries.py
 
   linting:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
       - uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
@@ -135,16 +135,16 @@ jobs:
             make doxygen_check_warnings
 
   other_checks:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout
         uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
 
       - name: Install Requirements
         run: |
-            sudo apt install python3-pip wget
-            # ruamel.yaml.clib 0.2.9 throws a 'TypeError: a string or stream input is required' when running cffconvert --validate
-            sudo pip3 install cffconvert "ruamel.yaml.clib<0.2.9"
+            sudo apt-get install -y --no-install-recommends python3-pip
+            sudo apt-get remove -y python3-jsonschema
+            PYTHON_CMD=python3 && sudo $PYTHON_CMD -m pip install --break-system-packages cffconvert
 
       - name: Validate citation file
         run: |
diff --git a/autotest/gcore/vsiaz.py b/autotest/gcore/vsiaz.py
index d2b094453148..f632c40ac744 100755
--- a/autotest/gcore/vsiaz.py
+++ b/autotest/gcore/vsiaz.py
@@ -471,7 +471,7 @@ def test_vsiaz_fake_readdir_protection_again_infinite_looping():
                         <EnumerationResults>
                             <Prefix>a_dir with_space/</Prefix>
                             <Blobs/>
-                            <NextMarker>bla{i+1}</NextMarker>
+                            <NextMarker>bla{i + 1}</NextMarker>
                         </EnumerationResults>
                     """,
         )
diff --git a/autotest/pymod/ogrtest.py b/autotest/pymod/ogrtest.py
index fae366bc013e..6277d53cc82b 100755
--- a/autotest/pymod/ogrtest.py
+++ b/autotest/pymod/ogrtest.py
@@ -196,7 +196,7 @@ def check_feature_geometry(
 
             assert actual_pt == pytest.approx(
                 expected_pt, abs=max_error
-            ), f"Error in vertex {i+1}/{count} exceeds tolerance. {context_msg}\n  Expected: {_root_expected.ExportToWkt()}\n  Actual: {_root_actual.ExportToWkt()}"
+            ), f"Error in vertex {i + 1}/{count} exceeds tolerance. {context_msg}\n  Expected: {_root_expected.ExportToWkt()}\n  Actual: {_root_actual.ExportToWkt()}"
 
 
 ###############################################################################
diff --git a/swig/python/gdal-utils/osgeo_utils/auxiliary/gdal_argparse.py b/swig/python/gdal-utils/osgeo_utils/auxiliary/gdal_argparse.py
index dbc4d23521a5..edfa36fb3fb3 100644
--- a/swig/python/gdal-utils/osgeo_utils/auxiliary/gdal_argparse.py
+++ b/swig/python/gdal-utils/osgeo_utils/auxiliary/gdal_argparse.py
@@ -44,7 +44,8 @@ def __init__(
             else:
                 if formatter_class is None:
                     formatter_class = argparse.RawDescriptionHelpFormatter
-                description = f'{title}\n{"-"*(2+len(title))}\n{description}'
+                number_dashes = 2 + len(title)
+                description = f'{title}\n{"-" * number_dashes}\n{description}'
 
         if formatter_class is None:
             formatter_class = argparse.HelpFormatter
@@ -227,7 +228,7 @@ def get_epilog(self):
             prog = os.path.basename(sys.argv[0])
         example_list = []
         for idx, (title, args) in enumerate(self.examples):
-            example_list.append(f"example #{idx+1}: {title}\n{prog} {args}")
+            example_list.append(f"example #{idx + 1}: {title}\n{prog} {args}")
         epilog = "\n\n".join(example_list)
         if self.epilog:
             epilog = epilog + "\n\n" + self.epilog