first program in python fix

[angelazhou32]

In the Python first-program tutorial, the full workflows.py code sample near the top of the page was out of sync with the actual template repo.

Specifically, the snippet still showed:

• maximum_attempts=3 in the RetryPolicy — the repo no longer sets maximum_attempts at all
• An outdated deposit/refund error-handling block (raise deposit_err misplaced inside the try, and raise refund_error without exception chaining).

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Project	Deployment	Actions	Updated
temporal-learning	Ready	Preview	Sep 2, 2026 4:42pm UTC

[WadeWaldron]

I'm not sure on the logic here. We want to raise an error even when the refund was successful? What would the consequences of that be?

[angelazhou32]

It's the saga/compensation pattern. If the deposit permanently fails, the transfer didn't happen; the refund just undoes the withdrawal so the accounts end up consistent. Re-raising deposit_err reports that the transfer failed, even though we cleaned up.

Consequence: the Workflow ends in a Failed state and the caller gets the deposit error, so it knows the transfer didn't go through. If we didn't raise and returned success instead, the caller would think the money moved when it was actually refunded