Update app.py

app.py

@@ -74,6 +74,8 @@ def extract_research_elements(paper_text):
     if not state_example or paper_text == "":
         return "", "", "", ""
     state_extract = True
+    if paper_text != load_example(index_ex):
+        return "", "", "", ""
     example = example_data[index_ex]
     tasks = example['research_tasks']
     gaps = example['research_gaps']