Fix test_subclass_conversion with numpy==2.x (#10297)

* numpy 2

* format

* add changeset

---------

Co-authored-by: gradio-pr-bot <[email protected]>

Author: abidlabs

.changeset/purple-eels-bake.md

@@ -0,0 +1,5 @@
+---
+"gradio": patch
+---
+
+fix:Fix test_subclass_conversion with numpy==2.x

gradio/processing_utils.py

@@ -928,7 +928,13 @@ def _scale(a, n, m, copy=True):
 
     image = np.asarray(image)
     dtypeobj_in = image.dtype
-    dtypeobj_out = np.dtype("float64") if dtype is np.floating else np.dtype(dtype)
+    dtypeobj_out = (
+        dtypeobj_in
+        if dtype is np.floating
+        else np.dtype("float64")
+        if dtype is float
+        else np.dtype(dtype)
+    )
     dtype_in = dtypeobj_in.type
     dtype_out = dtypeobj_out.type
     kind_in = dtypeobj_in.kind