From 02e8c3479db0bc4b5adc52bb3453eb5d5b46f06a Mon Sep 17 00:00:00 2001
From: Dan Redding <125183946+dangotbanned@users.noreply.github.com>
Date: Wed, 25 Sep 2024 11:51:19 +0100
Subject: [PATCH] fix(typing): Add missing `float` to `IntoExpression` alias
 (#3611)

---
 altair/expr/core.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/altair/expr/core.py b/altair/expr/core.py
index e3bc65a52..e7872ada6 100644
--- a/altair/expr/core.py
+++ b/altair/expr/core.py
@@ -237,4 +237,4 @@ def __repr__(self) -> str:
         return f"{self.group}[{self.name!r}]"
 
 
-IntoExpression: TypeAlias = Union[bool, None, str, OperatorMixin, Dict[str, Any]]
+IntoExpression: TypeAlias = Union[bool, None, str, float, OperatorMixin, Dict[str, Any]]