fixed hanging when python raises exception or return nothing #1365
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Description
close #1089
added error handling if invoked python raised exception
close #1366
since python returns
null object
when nothing returned from invoked code, current js code mistakenly recognizes python is still running even if it's finished.And also, when python returns
""
, current js code misunderstand. (Since js recognize""
as false)Motivation and Context
#1089
#1366
How Has This Been Tested?
manual testing with using Sample Code in #1366.
Case A: with current code.
Case B: with fixed code.
Screenshots (if appropriate):