When trying to build the package one test case fails with:
Traceback (most recent call last):
File "oslo_middleware/tests/test_sizelimit.py", line 108, in test_request_too_large_no_content_length
File "/usr/lib/python2.7/site-packages/testtools/testcase.py", line 350, in assertEqual
self.assertThat(observed, matcher, message)
File "/usr/lib/python2.7/site-packages/testtools/testcase.py", line 435, in assertThat
testtools.matchers._impl.MismatchError: 413 != 200
Ran 103 tests in 0.365s
FAILED (id=0, failures=1)
error: testr failed (1)
error: Bad exit status from /var/tmp/rpm-tmp.kwEb82 (%check)
Bad exit status from /var/tmp/rpm-tmp.kwEb82 (%check
This is mentioned upstream but so far no solution yet for oslo-middleware 
This bug appears to have been reported against 'rawhide' during the Fedora 26 development cycle.
Changing version to '26'.
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