diff --git a/reflex/vars/base.py b/reflex/vars/base.py
index d794528b7..d3c7186b1 100644
--- a/reflex/vars/base.py
+++ b/reflex/vars/base.py
@@ -358,7 +358,7 @@ class Var(Generic[VAR_TYPE]):
 
                 _default_var_type: ClassVar[GenericType] = python_types[0]
 
-            ToVarOperation.__name__ = f"To{cls.__name__.removesuffix("Var")}Operation"
+            ToVarOperation.__name__ = f'To{cls.__name__.removesuffix("Var")}Operation'
 
             _var_subclasses.append(VarSubclassEntry(cls, ToVarOperation, python_types))