Created attachment 666584 [details]
Patch to verify we are not splitting None

Description of problem:
python-bugzilla fails with certain arguments when trying to split None

for p in `repoquery --repoid rawhide -s --whatrequires maven-doxia | sed 's|-[^-]*-[^-]*$||' | sort -u`; do bugzilla new -p Fedora -v rawhide -c $p --cc msrb -s "$p: Migrate from maven-doxia to doxia subpackages" -l "maven-doxia was split into multiple subpackages. Your package currently requires or build-requires maven-doxia. Please fix your requires or build requires of your package $p so that it requires proper subpackages of doxia."; done

This results in 

Traceback (most recent call last):
  File "/usr/bin/bugzilla", line 808, in <module>
    main()
  File "/usr/bin/bugzilla", line 588, in main
    data[a] = i.split(',')
AttributeError: 'NoneType' object has no attribute 'split'


I've attached an upstream patch to verify we have valid variable before trying to split it

Version-Release number of selected component (if applicable):
python-bugzilla-0.7.0-2.fc18.noarch and master branch upstream