ref(huggingface_hub): Drop support for stream_gen_ai_spans

[alexander-alderman-webb]

Description

Set stream_gen_ai_spans=False to maintain assertions for the static trace lifecycle.
Transaction support will be removed as a follow up.

Issues

Reminders

• Please add tests to validate your changes, and lint your code using uv run ruff.
• Add GH Issue ID & Linear ID (if applicable)
• PR title should use conventional commit style (feat:, fix:, ref:, meta:)
• For external contributors: CONTRIBUTING.md, Sentry SDK development docs, Discord community

[github-actions]

Codecov Results 📊

✅ 113905 passed | ❌ 1 failed | ⏭️ 5544 skipped | Total: 119450 | Pass Rate: 95.36% | Execution Time: 384m 30s

📊 Comparison with Base Branch

Metric	Change
Total Tests	📉 -18245
Passed Tests	📉 -16680
Failed Tests	📈 +1
Skipped Tests	📉 -1566

➕ New Tests (1)

View new tests

• test_async_binary_content_encoding_mixed_content[True-True]
  • File: tests.integrations.litellm.test_litellm
  • Status: ❌ Failing

❌ Failed Tests

test_async_binary_content_encoding_mixed_content[True-True]

File: tests.integrations.litellm.test_litellm
Suite: py3.10-litellm-v1.83.14
Error: pytest.PytestUnraisableExceptionWarning: Exception ignored in thread started by: <bound method Thread._bootstrap of <Thread(ThreadPoolExecutor-77_1, started 139962984199744)>> Enable tracemalloc to get traceback where the object was allocated. See https://docs.pytest.org/en/stable/how-to/capture-warnings.html#resource-warnings for more info.

Stack Trace

/usr/lib/python3.10/threading.py:973: in _bootstrap
    self._bootstrap_inner()
/usr/lib/python3.10/threading.py:1011: in _bootstrap_inner
    _sys.settrace(_trace_hook)
E   RuntimeError: Cannot install a trace function while another trace function is being installed

The above exception was the direct cause of the following exception:
.tox/py3.10-litellm-v1.83.14/lib/python3.10/site-packages/_pytest/runner.py:361: in from_call
    result: TResult | None = func()
.tox/py3.10-litellm-v1.83.14/lib/python3.10/site-packages/_pytest/runner.py:250: in <lambda>
    lambda: runtest_hook(item=item, **kwds),
.tox/py3.10-litellm-v1.83.14/lib/python3.10/site-packages/pluggy/_hooks.py:512: in __call__
    return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
.tox/py3.10-litellm-v1.83.14/lib/python3.10/site-packages/pluggy/_manager.py:120: in _hookexec
    return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
.tox/py3.10-litellm-v1.83.14/lib/python3.10/site-packages/_pytest/logging.py:865: in pytest_runtest_call
    yield
.tox/py3.10-litellm-v1.83.14/lib/python3.10/site-packages/pluggy/_callers.py:53: in run_old_style_hookwrapper
    return result.get_result()
.tox/py3.10-litellm-v1.83.14/lib/python3.10/site-packages/pluggy/_callers.py:38: in run_old_style_hookwrapper
    res = yield
.tox/py3.10-litellm-v1.83.14/lib/python3.10/site-packages/_pytest/capture.py:900: in pytest_runtest_call
    return (yield)
.tox/py3.10-litellm-v1.83.14/lib/python3.10/site-packages/_pytest/skipping.py:268: in pytest_runtest_call
    return (yield)
.tox/py3.10-litellm-v1.83.14/lib/python3.10/site-packages/_pytest/unraisableexception.py:183: in pytest_runtest_call
    collect_unraisable(item.config)
.tox/py3.10-litellm-v1.83.14/lib/python3.10/site-packages/_pytest/unraisableexception.py:79: in collect_unraisable
    raise errors[0]
.tox/py3.10-litellm-v1.83.14/lib/python3.10/site-packages/_pytest/unraisableexception.py:67: in collect_unraisable
    warnings.warn(pytest.PytestUnraisableExceptionWarning(msg))
E   pytest.PytestUnraisableExceptionWarning: Exception ignored in thread started by: <bound method Thread._bootstrap of <Thread(ThreadPoolExecutor-77_1, started 139962984199744)>>
E   Enable tracemalloc to get traceback where the object was allocated.
E   See https://docs.pytest.org/en/stable/how-to/capture-warnings.html#resource-warnings for more info.

✅ Patch coverage is 100.00%. Project has 2264 uncovered lines.
✅ Project coverage is 90.44%. Comparing base (base) to head (head).

Coverage diff

@@            Coverage Diff             @@
##          main       #PR       +/-##
==========================================
+ Coverage    90.25%    90.44%    +0.19%
==========================================
  Files          193       185        -8
  Lines        25715     23671     -2044
  Branches      9502      8704      -798
==========================================
+ Hits         23206     21407     -1799
- Misses        2509      2264      -245
- Partials      1435      1365       -70

---

Generated by Codecov Action