Updated the test to allow different error messages from Python 2 and 3.
Updated the test to allow different error messages from Python 2 and 3.

ssadedin/seqr,ssadedin/seqr,macarthur-lab/seqr,macarthur-lab/seqr,macarthur-lab/seqr,ssadedin/seqr,macarthur-lab/seqr,macarthur-lab/seqr,ssadedin/seqr,ssadedin/seqr