fix: revert type annotations on collections.to_set

This turns out to be tricky to type with union args, see e.g. python/mypy#18321

ampel/util/collections.py

@@ -90,14 +90,6 @@ def try_reduce(arg: Any) -> Any:
 	return arg
 
 
-@overload
-def to_set(arg: StrictIterable[T]) -> set[T]:
-	...
-
-@overload
-def to_set(arg: _T) -> set[_T]:
-	...
-
 def to_set(arg) -> set:
 	"""
 	Reminder of python questionable logic:

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "ampel-interface"
-version = "0.10.4a1"
+version = "0.10.4a2"
 description = "Base classes for the Ampel analysis platform"
 authors = ["Valery Brinnel"]
 maintainers = ["Jakob van Santen <jakob.van.santen@desy.de>"]

tests/test_collections.py

@@ -1,4 +1,3 @@
-from typing import assert_type
 
 from ampel.util.collections import to_set
 
@@ -7,10 +6,3 @@ def test_to_set():
 
     assert to_set("abc") == {'abc'}
     assert to_set(("abc",)) == {'abc'}
-
-    class sentinel:
-        pass
-
-    assert_type(to_set("abc"), set[str])
-    assert_type(to_set(("abc",)), set[str])
-    assert_type(to_set({1: sentinel()}.values()), set[sentinel])