return was being used incorrectly to handle an exception. Instead of returning the exception, it should be raised using raise.
        
      return was being used incorrectly to handle an exception. Instead of returning the exception, it should be raised using raise.
        
      ACK 607cac148e7ca9a22a7784b481d464d894b94623
This is the only exception of 7 present in this file that is not raised, and without a reason for it that I can see.