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-rw-r--r--django/test/testcases.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/django/test/testcases.py b/django/test/testcases.py
index 3bb40a5838..6b4885f93f 100644
--- a/django/test/testcases.py
+++ b/django/test/testcases.py
@@ -1022,6 +1022,7 @@ class LiveServerThread(threading.Thread):
(self.host, port), QuietWSGIRequestHandler)
except WSGIServerException as e:
if (index + 1 < len(self.possible_ports) and
+ hasattr(e.args[0], 'errno') and
e.args[0].errno == errno.EADDRINUSE):
# This port is already in use, so we go on and try with
# the next one in the list.