four-fingers images added

app.py

@@ -36,7 +36,7 @@ demo = gr.Interface(
     fn=sign,
     inputs = gr.Image(shape=(200, 200)),
     outputs = gr.Label(),
-    examples=["two-fingers.jpg", "five-fingers.jpg"]
+    examples=["two-fingers.jpg", "five-fingers.jpg", "four-fingers.jpg"]
     # allow_flagging = "manual",
     # flagging_options = ['recule', 'tournedroite', 'arretetoi', 'tournegauche', 'gauche', 'avance', 'droite'],
     # flagging_dir = "./flag/men"