fix

fastapi/_compat/may_v1.py

@@ -50,9 +50,6 @@ if sys.version_info >= (3, 14):
     class GetJsonSchemaHandler:
         pass
 
-    class JsonSchemaValue:
-        pass
-
     class Undefined:
         pass
 
@@ -85,10 +82,7 @@ else:
     from .v1 import CoreSchema as CoreSchema
     from .v1 import FieldInfo as FieldInfo
     from .v1 import GetJsonSchemaHandler as GetJsonSchemaHandler
-    from .v1 import (
-        JsonSchemaValue,
-        ModelField,
-    )
     from .v1 import JsonSchemaValue as JsonSchemaValue
+    from .v1 import ModelField
     from .v1 import UndefinedType as UndefinedType
     from .v1 import _normalize_errors as _normalize_errors