Consider using in

Author: DimitriPapadopoulos

src/zarr/core/dtype/npy/common.py

@@ -384,9 +384,7 @@ def check_json_float_v2(data: JSON) -> TypeGuard[JSONFloatV2]:
     Bool
         True if the data is a float, False otherwise.
     """
-    if data == "NaN" or data == "Infinity" or data == "-Infinity":
-        return True
-    return isinstance(data, float | int)
+    return data in {"NaN", "Infinity", "-Infinity"} or isinstance(data, float | int)
 
 
 def check_json_float_v3(data: JSON) -> TypeGuard[JSONFloatV3]: