Update app_hough.py

app_hough.py

@@ -87,4 +87,7 @@ def create_demo(process, max_images=12, default_num_images=3):
                          inputs=inputs,
                          outputs=result,
                          api_name='hough')
+        ex = gr.Examples(examples = [["room.jpg", "a room for gaming, with gaming chairs, gaming consoles and gaming computers"]], 
+                         inputs = inputs, outputs = result, fn = process, cache_examples = True)
+        
     return demo