Cleanup

Author: vidartf

nbval/cover.py

@@ -68,7 +68,7 @@ def setup_coverage(config, kernel, floc, output_loc=None):
         kernel.await_idle(msg_id, 60)  # A minute should be plenty to enable coverage
     else:
         warnings.warn_explicit(
-            'Coverage currently not supported for language "%s".' % language,
+            'Coverage currently not supported for language %r.' % language,
             category=UserWarning,
             filename=floc[0] if floc else '',
             lineno=0

tests/test_coverage.py

@@ -8,7 +8,7 @@
 pytest_plugins = "pytester"
 
 
-_re_coverage_report_line = re.compile('^(\w)\s*(\d+)\s*(\d+)\s*(\d+)%$')
+_re_coverage_report_line = re.compile(r'^(\w)\s*(\d+)\s*(\d+)\s*(\d+)%$')
 
 
 def test_coverage(testdir):
@@ -49,7 +49,7 @@ def test_sum():
     result = testdir.runpytest_inprocess('--nbval', '--current-env', '--cov', '.')
 
     # Check tests went off as they should:
-    result.ret == 0
+    assert result.ret == 0
 
     # Ensure coverage report was generated:
     assert os.path.exists(os.path.join(str(testdir.tmpdir), '.coverage'))