Description of problem:
anaconda 19.7 exception report
Traceback (most recent call first):
  File "/usr/lib/python2.7/site-packages/blivet/__init__.py", line 1419, in sanityCheck
    "to continue.") % (productName,))
  File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/storage.py", line 342, in checkStorage
    StorageChecker.warnings) = self.storage.sanityCheck()
  File "/usr/lib64/python2.7/threading.py", line 504, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/threads.py", line 119, in run
    threading.Thread.run(self, *args, **kwargs)
NameError: global name 'productName' is not defined

Version-Release number of selected component (if applicable):
anaconda 19.7

How reproducible:
no idea

Steps to Reproduce:
1. no idea