ref(transport): Remove redundant checks for dsn

[psh9508]

Description

Related Issue

• Fixes ref(transport): Simplify redundant DSN check in Transport.__init__ #6089

What changed

Removed the redundant is not None check from the DSN conditional statement in Transport.init (transport.py).

Code Comparison:

# Before
if options and options["dsn"] is not None and options["dsn"]:

# After
if options and options["dsn"]:

Why

In Python, the truthiness check (options["dsn"]) inherently evaluates None as falsy. Therefore, the explicit is not None guard is redundant. Removing it simplifies the logic while maintaining the same behavior.

Notes

• Why not use options.get('dsn')? While .get() is often used for safe dictionary access, a default value for "dsn" is already guaranteed in this context, so there is no risk of a KeyError.
• Consistency: I intentionally kept the direct dictionary access (options["dsn"]) to remain consistent with the existing coding pattern used later in the same file (e.g., line 1165: if options["dsn"]:).

[github-actions]

Semver Impact of This PR

🟢 Patch (bug fixes)

📋 Changelog Preview

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Entries from this PR are highlighted with a left border (blockquote style).

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New Features ✨

• (ci) Cancel in-progress PR workflows on new commit push by joshuarli in #5994
• (consts) Add updated span convention constants to SPANDATA by ericapisani in #6093
• Add db.driver.name spans to database integrations by ericapisani in #6082

Bug Fixes 🐛

• (google_genai) Redact binary data in inline_data and fix multi-part message extraction by ericapisani in #5977
• (grpc) Add isolation_scope to async server interceptor by robinvd in #5940
• (openai-agents) Resolve agent from bindings for openai-agents >= 0.14 by ericapisani in #6102
• (profiler) Stop nulling buffer on teardown by ericapisani in #6075

Internal Changes 🔧

• (celery) Remove unused NoOpMgr from utils by sentrivana in #6078
• (ci) Update outdated pinned action version comments by JoshuaMoelans in #6088
• (pydantic-ai) Remove dead Model.request patch by alexander-alderman-webb in #5956
• (tests) Replace deprecated enable_tracingwith traces_sample_rate by sentrivana in #6077

• (transport) Remove redundant checks for dsn by psh9508 in #6104

• 🤖 Update test matrix with new releases (04/20) by github-actions in #6100
• Set explicit base-branch for codecov action by ericapisani in #5992

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