Release export fails due to None variable numericVersionMajorMinor

2018-08-20 08:07:20,840 INFO:release_src_pkg(4296): Trying to locate "syncqt.pl" from workItemPaths..
2018-08-20 08:07:24,460 INFO:release_src_pkg(4296): Using "syncqt.pl" from: /home/vmbuilder/ci-working-dir/release_export/1534861448/tmpjt3vb5s2/syncqt_tool/bin/syncqt.pl
2018-08-20 08:07:24,473 CRITICAL:release_service(4296): Release Export failed for project: [pyside/pyside-setup] branch: [dev]
ESC[31mTraceback (most recent call last):
File "src/release_service.py", line 82, in runReleaseExport
skipBinaries=(not exportInstructions.binExport), skipBinaryPatching=False, skipBuildLogs=False, skipDebugArchives=False, versionTag="guess")
File "/home/vmbuilder/qt-ci/src/release_export.py", line 194, in exportThriftTask
await self.releaseSrcPkgGen.createSrcPackagesAndUpload(moduleTask)
File "/home/vmbuilder/qt-ci/src/release_src_pkg.py", line 302, in createSrcPackagesAndUpload
await self.exportSplitSourceArtifacts(moduleTask, self.projects)
File "/home/vmbuilder/qt-ci/src/release_src_pkg.py", line 311, in exportSplitSourceArtifacts
await self.createSplitSourcePackages(moduleTask, projects)
File "/home/vmbuilder/qt-ci/src/release_src_pkg.py", line 628, in createSplitSourcePackages
if self.numericVersionMajorMinor < "5.8": # type: ignore
TypeError: '<' not supported between instances of 'NoneType' and 'str'ESC[0m

2018-08-20 12:14:24,912 INFO:release_src_pkg(4296): Trying to locate "syncqt.pl" from workItemPaths..
2018-08-20 12:14:24,913 WARNING:release_src_pkg(4296): Unable locate syncqt.pl from artifacts specified by moduleT
ask. Can not run syncqt for sources.
2018-08-20 12:14:24,913 CRITICAL:release_service(4296): Release Export failed for project: [yocto/meta-boot2qt] br
anch: [pyro]
ESC[31mTraceback (most recent call last):
File "src/release_service.py", line 82, in runReleaseExport
skipBinaries=(not exportInstructions.binExport), skipBinaryPatching=False, skipBuildLogs=False, skipDebugArchi
ves=False, versionTag="guess")
File "/home/vmbuilder/qt-ci/src/release_export.py", line 194, in exportThriftTask
await self.releaseSrcPkgGen.createSrcPackagesAndUpload(moduleTask)
File "/home/vmbuilder/qt-ci/src/release_src_pkg.py", line 302, in createSrcPackagesAndUpload
await self.exportSplitSourceArtifacts(moduleTask, self.projects)
File "/home/vmbuilder/qt-ci/src/release_src_pkg.py", line 311, in exportSplitSourceArtifacts
await self.createSplitSourcePackages(moduleTask, projects)
File "/home/vmbuilder/qt-ci/src/release_src_pkg.py", line 628, in createSplitSourcePackages
if self.numericVersionMajorMinor < "5.8": # type: ignore