Release export CI tests broken with python 3.6.5 (private instance)

(env) 10:31:15~/download/tqtc-coin-ci (enums) $ src/test_release_export.py TestReleaseExportTool.test_getSuperModuleMergeSha1
10:31:52.579 ERROR:release_utils(28672): Error determining qt5 sha1 from merge commit: list index out of range
F
======================================================================
FAIL: test_getSuperModuleMergeSha1 (__main__.TestReleaseExportTool)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/aakeskim/download/tqtc-coin-ci/src/tools/test_helpers.py", line 192, in wrapped
    _asyncio_test_loop.run_until_complete(asyncio.gather(*calls))
  File "/usr/lib/python3.6/asyncio/base_events.py", line 468, in run_until_complete
    return future.result()
  File "src/test_release_export.py", line 227, in test_getSuperModuleMergeSha1
    self.assertEqual(mergeSha1, expectedMergeSha1)
AssertionError: 'NaN' != 'c5557d43eea3c65591e37e3c79b6fa0f590c915b'
- NaN
+ c5557d43eea3c65591e37e3c79b6fa0f590c915b