Replace almost_equal_floats with math.isclose (#7082)

pydantic/_internal/_utils.py

@@ -114,11 +114,6 @@ def update_not_none(mapping: dict[Any, Any], **update: Any) -> None:
     mapping.update({k: v for k, v in update.items() if v is not None})
 
 
-def almost_equal_floats(value_1: float, value_2: float, *, delta: float = 1e-8) -> bool:
-    """Return True if two floats are almost equal."""
-    return abs(value_1 - value_2) <= delta
-
-
 T = TypeVar('T')
 
 

pydantic/color.py

@@ -19,7 +19,7 @@
 from pydantic_core import CoreSchema, PydanticCustomError, core_schema
 from typing_extensions import deprecated
 
-from ._internal import _repr, _utils
+from ._internal import _repr
 from ._internal._schema_generation_shared import GetJsonSchemaHandler as _GetJsonSchemaHandler
 from .json_schema import JsonSchemaValue
 from .warnings import PydanticDeprecatedSince20
@@ -399,7 +399,7 @@ def parse_float_alpha(value: Union[None, str, float, int]) -> Optional[float]:
     except ValueError:
         raise PydanticCustomError('color_error', 'value is not a valid color: alpha values must be a valid float')
 
-    if _utils.almost_equal_floats(alpha, 1):
+    if math.isclose(alpha, 1):
         return None
     elif 0 <= alpha <= 1:
         return alpha