Update app.py

app.py

@@ -47,9 +47,11 @@ def processFaceDetails(image):
     if len(data) > 1:
         cordinates = data[1]["box"]
         crop_box = (data[1]["box"]['xmin'], data[1]["box"]['ymin'], data[1]["box"]['xmax'], data[1]["box"]['ymax'])
-    else:
+    elif len(data) > 0:
         cordinates = data[0]["box"]
         crop_box = (data[0]["box"]['xmin'], data[0]["box"]['ymin'], data[0]["box"]['xmax'], data[0]["box"]['ymax'])
+    else:
+        return ret
     cropped_image = image.crop(crop_box)
     facedata = faceModal(cropped_image)
     for imask in facedata: