updates

app.py

@@ -65,6 +65,8 @@ def get_next_image(session_data):
 
 # Function to save the annotation to the Hugging Face dataset and fetch the next image
 def save_annotation(caption, session_data):
+    global dataset  # Declare global at the start of the function
+
     if session_data["current_image"] is None:
         return gr.update(visible=False), gr.update(value="All images have been annotated!")
 
@@ -89,7 +91,6 @@ def save_annotation(caption, session_data):
             "annotation_count": [annotation_count + 1]
         })
 
-        global dataset
         dataset = concatenate_datasets([dataset, new_data])
 
         # Save updated dataset to Hugging Face