Fix 152 (#221)

* start new dev branch; add audit file

* Remove dead @asyncio.coroutine legacy tests (#152)

Three tests exercised the @asyncio.coroutine decorator via a
try/except-ImportError that skipped on Python >= 3.11:
- tests/test_is_future.py::test_is_future_coroutine
- tests/test_as_future.py::test_as_future_coroutine
- tests/test_call_later.py::test_explicit_reactor_coroutine

@asyncio.coroutine was removed in Python 3.11, which is txaio's minimum
supported version, so these tests could never run on any supported
interpreter and only produced skips (and previously the deprecation
warning this issue was filed about). Remove them, along with the
now-unused `import pytest` in the two affected files (test_call_later.py
still uses pytest/patch/sys for other tests).

Suite: 105 passed, 10 skipped (was 106/14); ruff and ty clean.

Note: This work was completed with AI assistance (Claude Code).

Author: oberstet

.audit/oberstet_fix_152.md

@@ -0,0 +1,8 @@
+- [ ] I did **not** use any AI-assistance tools to help create this pull request.
+- [x] I **did** use AI-assistance tools to *help* create this pull request.
+- [x] I have read, understood and followed the projects' [AI Policy](https://github.com/crossbario/autobahn-python/blob/main/AI_POLICY.md) when creating code, documentation etc. for this pull request.
+
+Submitted by: @oberstet
+Date: 2026-06-18
+Related issue(s): #152
+Branch: oberstet:fix_152

docs/changelog.rst

@@ -17,6 +17,7 @@ This document contains a reverse-chronological list of changes to txaio.
 
 **Other**
 
+* Remove three permanently-skipped legacy tests that exercised the ``@asyncio.coroutine`` decorator. That decorator was removed in Python 3.11 (txaio's minimum supported version), so the tests could no longer run on any supported interpreter and only emitted skips (`#152 <https://github.com/crossbario/txaio/issues/152>`_)
 * Bumped the shared ``wamp-ai`` and ``wamp-cicd`` Git submodules to match the rest of the WAMP project group (zlmdb / autobahn-python 26.6.1) for the coordinated release. The ``wamp-cicd`` bump picks up the GHSA-6658 shell-injection hardening in the shared ``identifiers.yml`` reusable workflow (untrusted GitHub event fields are now passed via ``env:`` as quoted data with a fail-closed branch-name allowlist) (`#218 <https://github.com/crossbario/txaio/issues/218>`_)
 * Declare the ``ty`` type checker in the ``dev`` extra and run it from the project venv (dropping the separate global ``uv tool install ty`` step), so local and CI resolve the same latest ``ty``. Fixed a newly-reported ``ty`` ``invalid-argument-type`` diagnostic in ``tx.py`` (the Twisted ``ILogObserver`` is provided via ``zope.interface`` ``@provider``, which static checkers cannot follow) with a localized ``cast`` rather than a blanket rule ignore. Excluded the ``.ai`` / ``.cicd`` submodules from ``ruff`` (they carry their own linting/CI) (`#218 <https://github.com/crossbario/txaio/issues/218>`_)
 

tests/test_as_future.py

@@ -24,7 +24,6 @@
 #
 ###############################################################################
 
-import pytest
 import txaio
 
 from util import run_once
@@ -90,50 +89,6 @@ def errback(f):
     assert calls[0] == ((1, 2, 3), dict(key="word"))
 
 
-def test_as_future_coroutine(framework):
-    """
-    call a coroutine (asyncio)
-    """
-    pytest.importorskip("asyncio")
-    # can import asyncio on python3.4, but might still be using
-    # twisted
-    if not txaio.using_asyncio:
-        return
-    try:
-        from asyncio import coroutine
-    except ImportError:
-        pytest.skip(
-            "skipping test: @asyncio.coroutine decorator is removed since Python 3.11"
-        )
-    else:
-        errors = []
-        results = []
-        calls = []
-
-        @coroutine
-        def method(*args, **kw):
-            calls.append((args, kw))
-            return 42
-
-        f = txaio.as_future(method, 1, 2, 3, key="word")
-
-        def cb(x):
-            results.append(x)
-
-        def errback(f):
-            errors.append(f)
-
-        txaio.add_callbacks(f, cb, errback)
-
-        run_once()
-        run_once()
-
-        assert len(results) == 1
-        assert len(errors) == 0
-        assert results[0] == 42
-        assert calls[0] == ((1, 2, 3), dict(key="word"))
-
-
 def test_as_future_exception(framework):
     """
     Raises an exception from as_future

tests/test_call_later.py

@@ -167,38 +167,6 @@ def boom(r):
     assert results == [the_exception]
 
 
-def test_explicit_reactor_coroutine(framework):
-    """
-    If we set an event-loop, Futures + Tasks should use it.
-    """
-    pytest.importorskip("asyncio")
-    if txaio.using_twisted:
-        pytest.skip()
-    try:
-        from asyncio import coroutine
-    except ImportError:
-        pytest.skip(
-            "skipping test: @asyncio.coroutine decorator is removed since Python 3.11"
-        )
-    else:
-
-        @coroutine
-        def some_coroutine():
-            yield "nothing"
-
-        with patch.object(txaio.config, "loop") as fake_loop:
-            txaio.as_future(some_coroutine)
-
-            if sys.version_info < (3, 4, 2):
-                assert len(fake_loop.method_calls) == 2
-                c = fake_loop.method_calls[1]
-                assert c[0] == "call_soon"
-            else:
-                assert len(fake_loop.method_calls) == 1
-                c = fake_loop.method_calls[0]
-                assert c[0] == "create_task"
-
-
 def test_call_later_tx(framework_tx):
     """
     Wait for two Futures.

tests/test_is_future.py

@@ -24,7 +24,6 @@
 #
 ###############################################################################
 
-import pytest
 import txaio
 
 
@@ -37,27 +36,6 @@ def test_is_future_generic(framework):
     assert txaio.is_future(f)
 
 
-def test_is_future_coroutine(framework_aio):
-    """
-    Returning an immediate value from as_future
-    """
-    pytest.importorskip("asyncio")  # 'aio' might be using trollius
-    try:
-        from asyncio import coroutine
-    except ImportError:
-        pytest.skip(
-            "skipping test: @asyncio.coroutine decorator is removed since Python 3.11"
-        )
-    else:
-
-        @coroutine
-        def some_coroutine():
-            yield "answer"
-
-        obj = some_coroutine()
-        assert txaio.is_future(obj)
-
-
 def test_is_called(framework):
     f = txaio.create_future_success(None)
     assert txaio.is_called(f)