=== modified file 'dulwich/tests/test_porcelain.py'
--- old/dulwich/tests/test_porcelain.py	2018-11-05 19:27:24 +0000
+++ new/dulwich/tests/test_porcelain.py	2018-11-20 04:03:18 +0000
@@ -693,6 +693,9 @@
         clone the remote, commit a file to the clone, then push the changes
         back to the remote.
         """
+        self.skipTest(
+            'test is flappy - '
+            'see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=913037')
         outstream = BytesIO()
         errstream = BytesIO()