Update app.py

app.py

@@ -110,7 +110,12 @@ def remove_duplicates(text):
     text = re.sub(r'(How are you\? \[/INST\]){2,}', 'How are you? [/INST]', text)
     text = text.replace('[/INST]', '')
     lines = text.split('\n')
-    unique_lines = list(dict.fromkeys(lines))
+    unique_lines = []
+    seen_lines = set()
+    for line in lines:
+        if line not in seen_lines:
+            seen_lines.add(line)
+            unique_lines.append(line)
     return '\n'.join(unique_lines)
 
 def remove_repetitive_responses(responses):