Fixed the exception handler close() on _TelemetryClientHolder

[msrathore-db]

What type of PR is this?

• Refactor
• Feature
• Bug Fix
• Other

Description

Fixed the exception handler close() on _TelemetryClientHolder objects instead of accessing the client inside them.

How is this tested?

• Unit tests
• E2E Tests
• Manually
• N/A

Related Tickets & Documents

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[nikhilsuri-db]

Should we add more configuration like check_untyped_defs disallow_untyped_defs warn_return_any warn_unused_ignores in mypy tool to identify such issues early or at least let the developer know?

[samikshya-db]

Sorry, might not be aware of this - Can you give more context on this change and how was this caught?

[msrathore-db]

Sorry, might not be aware of this - Can you give more context on this change and how was this caught?

Was testing something with python connector but got an error from the server, which led to seeing this exception. The close() didn't exist in the class so made this small fix