python: Show line number when an exception occurs #7264
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What type of PR is this?
Description
When exceptions occurred in queries of the Python data source, you could not see where the error happened.
This PR fixes this and adds the line number where the exception was raised from.
Since the user will care about exceptions in their code, the shown line number will be the "deepest" entry in the stack trace that is from the user's code (from the query).
How is this tested?
Manually added exceptions to my query, and saw that it properly showed the line number of the problematic line.
Mobile & Desktop Screenshots/Recordings (if there are UI changes)