fix: correct import pattern for typing.Self within honcho python SDK for python 3.10

[hsaeed3]

Description

This PR corrects the pattern for importing typing.Self in Python 3.10 environments within sdks/python/src/honcho/types.py to prevent ImportError when importing the honcho Python
SDK.

Changes

Simple change of:

from collections.abc import AsyncIterator, Iterator
from typing import Self

to:

import sys
from collections.abc import AsyncIterator, Iterator

if sys.version_info < (3, 11):
    from typing_extensions import Self
else:
    from typing import Self

Summary by CodeRabbit

• Bug Fixes
  • Improved Python version compatibility by ensuring Self type support works across supported runtime versions.
  • Preserved existing stream response behavior while avoiding import issues on older Python releases.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 16cb83fc-8f10-4947-a273-b87f6f1c3fb5

📥 Commits

Reviewing files that changed from the base of the PR and between eb386c3 and 641f5c3.

📒 Files selected for processing (1)

• sdks/python/src/honcho/types.py

---

Walkthrough

Adds a sys.version_info guard in types.py to import Self from typing_extensions on Python < 3.11 and from the standard typing module otherwise.

Python Self import compatibility

Layer / File(s)	Summary
Version-gated Self import sdks/python/src/honcho/types.py	Adds sys import and a version check to source Self from typing_extensions on Python < 3.11, falling back to typing.Self on 3.11+.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

A rabbit hops through versions old and new,
typing_extensions for the ancient crew,
On 3.11 the stdlib shines bright,
Self finds its home, everything right,
🐇 One small guard keeps the warren tight!

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the Python 3.10 compatibility fix for importing Self in the honcho SDK.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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