Github user andrewor14 commented on the pull request:
https://github.com/apache/spark/pull/1178#issuecomment-46914899
Yes, that's what I intended.
The first except is there in case stdout is not an int, in which case we
should tell the user explicitly that there is interference from some other
output, instead of surfacing an obscure "ValueError: cannot cast to int"
message.
The second except is there for all other exceptions that could happen (if
we fail to read from process output). This doesn't add much information other
than the exit code, if there is one.
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