Github user zentol commented on the issue:
https://github.com/apache/flink/pull/3628
-1. This moves the Flink's entire python library into the examples folder,
breaking basically everything.
You will have to move the configured directory to /resources and exclude
the example directory, and move that one specifically to /examples.
I would also suggest to run an example at least once to make sure you don't
break anything.
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