Update app.py

app.py

@@ -51,7 +51,8 @@ import faceSym
 
 def left_right_sim(img):
     tmpf = tempfile.NamedTemporaryFile(delete=False)
-    img.save(tmpf.name, format='png')
+    im = Image.fromarray(img)
+    im.save(tmpf.name, format='png')
     f = faceSym.FaceSym(tmpf.name)
     _, left, _, _, right, _ = f.get_symmetrized_images(idx=0)
     tmpf.close()