Improve showing of import errors in the Python runner.

This depends on testtools 1.4.0 to get the improved behaviour.

1 files changed, 5 insertions, 1 deletions

diff --git a/python/subunit/run.py b/python/subunit/run.py
index cf9cc01..5bf1db2 100755
--- a/python/subunit/run.py
+++ b/python/subunit/run.py
@@ -70,9 +70,13 @@ class SubunitTestRunner(object):
             result.stopTestRun()
         return result
 
-    def list(self, test):
+    def list(self, test, loader=None):
         "List the test."
         result, errors = self._list(test)
+        if loader is not None:
+            # We were called with the updated API by testtools.run, so look for
+            # errors on the loader, not the test list result.
+            errors = loader.errors
         if errors:
             failed_descr = '\n'.join(errors).encode('utf8')
             result.status(file_name="import errors", runnable=False,