Update app.py

app.py

@@ -45,7 +45,7 @@ def main():
         st.success("Vocabulary built successfully!")
     else:
         st.warning("Using default vocabulary.")
-        with open('data/default_vocab.txt', 'r') as file:
+        with open('default_vocab.txt', 'r') as file:
             uploaded_data = file.read().splitlines()
 
     vocab = build_vocab(uploaded_data)