Callable __or__ patch (RustPython#5753)

* callable __or__ patch

* add test

Author: youknowone

Lib/_collections_abc.py

@@ -512,6 +512,10 @@ def __getitem__(self, item):
             new_args = (t_args, t_result)
         return _CallableGenericAlias(Callable, tuple(new_args))
 
+    # TODO: RUSTPYTHON patch for common call
+    def __or__(self, other):
+        super().__or__(other)
+
 def _is_param_expr(obj):
     """Checks if obj matches either a list of types, ``...``, ``ParamSpec`` or
     ``_ConcatenateGenericAlias`` from typing.py

extra_tests/snippets/stdlib_typing.py

@@ -0,0 +1,10 @@
+from collections.abc import Awaitable, Callable
+from typing import TypeVar
+
+T = TypeVar("T")
+
+
+def abort_signal_handler(
+    fn: Callable[[], Awaitable[T]], on_abort: Callable[[], None] | None = None
+) -> T:
+    pass