[MERGE] Bugfix #87178: don't do extra sys.stdout.flush() outside exception wrapper

[Aaron Bentley]

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Aaron Bentley wrote:
> Aaron Bentley has voted +1.
> Status is now: Approved

I'm not clear which command was the cause of adding this exception
handling, but it's wrong.  Any display command should use the
display_command decorator, and anything else should generate an error
condition if it dies partway through, especially if it's a write operation.

Aaron
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