Skip codestyle in stable

Testing this is sid is sufficient and avoids annoying cases where
pycodestyle might work differently in stable vs. sid.

Signed-off-by: Niels Thykier <niels@thykier.net>

ci/gitlab-ci-runner

@@ -12,8 +12,15 @@ git clone https://salsa.debian.org/debian/britney2-tests.git britney2-tests
 if [ "x$1" = "x--with-coverage" ]; then
     PYTEST_COV_OPTIONS="--cov-branch --cov --cov-report="
     BRITNEY=./ci/britney-coverage.sh
+    TEST_FLAGS=
+else
+    TEST_FLAGS=nocodestyle
 fi
+
+export TEST_FLAGS
+
 py.test-3 -v $PYTEST_COV_OPTIONS || err=$?
+
 echo
 britney2-tests/bin/runtests "$BRITNEY" britney2-tests/t test-out || err=$?
 

tests/test_pycodestyle.py

@@ -3,6 +3,12 @@ import unittest
 import pycodestyle
 
 
+def should_skip_codestyle():
+    if 'nocodestyle' in os.environ.get('TEST_FLAGS', ''):
+        return True
+    return False
+
+
 EXCEPTIONS_BY_FILE = {
     'britney.py': 36,
     'britney2/__init__.py': 2,
@@ -47,6 +53,7 @@ def all_python_files(project_dir):
 
 class TestCodeFormat(unittest.TestCase):
 
+    @unittest.skipIf(should_skip_codestyle(), 'codestyle conformance skipped as requested')
     def test_conformance(self):
         """Test that we conform to PEP-8."""
         project_dir = os.path.dirname(os.path.dirname(__file__))