Remove eager typing import and redundant typing test

Author: hugovk

src/humanize/number.py

@@ -5,7 +5,6 @@
 __lazy_modules__ = {"bisect"}
 
 import bisect
-from typing import overload
 
 from .i18n import _gettext as _
 from .i18n import _gettext_noop as N_
@@ -459,28 +458,6 @@ def scientific(value: NumberOrString, precision: int = 2) -> str:
     return part1 + " x 10" + str(int(part2)).translate(_SUPERSCRIPT_TRANS)
 
 
-@overload
-def clamp(
-    value: None,
-    format: str | Callable[[float], str] = "{:}",
-    floor: float | None = None,
-    ceil: float | None = None,
-    floor_token: str = "<",
-    ceil_token: str = ">",
-) -> None: ...
-
-
-@overload
-def clamp(
-    value: float,
-    format: str | Callable[[float], str] = "{:}",
-    floor: float | None = None,
-    ceil: float | None = None,
-    floor_token: str = "<",
-    ceil_token: str = ">",
-) -> str: ...
-
-
 def clamp(
     value: float | None,
     format: str | Callable[[float], str] = "{:}",

tests/test_number.py

@@ -297,15 +297,6 @@ def test_clamp(test_args: list[typing.Any], expected: str) -> None:
     assert humanize.clamp(*test_args) == expected
 
 
-def test_clamp_return_types() -> None:
-    assert typing.assert_type(humanize.clamp(1.0), str) == "1.0"
-    assert typing.assert_type(humanize.clamp(None), None) is None
-    assert (
-        typing.assert_type(humanize.clamp(1, format=humanize.intword, floor=1e6), str)
-        == "<1.0 million"
-    )
-
-
 @pytest.mark.parametrize(
     "test_args, expected",
     [