PM-1241 Replace `e.message` with `e`, since `message` attribute of Exceptions has been removed in newer python versions.
PM-1241 Replace `e.message` with `e`, since `message` attribute of Exceptions has been removed in newer python versions.

pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus,pegasus-isi/pegasus