Fix CI failing on main (#3365)

* We don't care about PyPy + mypy anymore

* Avoid segfault

* Update src/trio/_core/_tests/test_run.py

Author: A5rocks

src/trio/_core/_tests/test_run.py

@@ -1062,7 +1062,7 @@ async def main() -> None:
 # the upstream issue is resolved.
 @restore_unraisablehook()
 @pytest.mark.skipif(
-    sys.version_info[:3] == (3, 14, 0),
+    sys.version_info[:2] == (3, 14),
     reason="https://github.com/python/cpython/issues/133932",
 )
 def test_error_in_run_loop() -> None:

src/trio/_tests/test_exports.py

@@ -365,17 +365,6 @@ def lookup_symbol(symbol: str) -> dict[str, Any]:  # type: ignore[misc, explicit
             ignore_names.add("__firstlineno__")
             ignore_names.add("__static_attributes__")
 
-        # pypy seems to have some additional dunders that differ
-        if sys.implementation.name == "pypy":
-            ignore_names |= {
-                "__basicsize__",
-                "__dictoffset__",
-                "__itemsize__",
-                "__sizeof__",
-                "__weakrefoffset__",
-                "__unicode__",
-            }
-
         # inspect.getmembers sees `name` and `value` in Enums, otherwise
         # it behaves the same way as `dir`
         # runtime_names = no_underscores(dir(class_))