Removed RAKE import and references

app.py

@@ -3,7 +3,6 @@ import pandas as pd
 from transformers import pipeline
 from sklearn.feature_extraction.text import CountVectorizer
 from sklearn.decomposition import LatentDirichletAllocation
-from rake_nltk import Rake
 from collections import Counter
 import re
 
@@ -164,4 +163,4 @@ def app():
     return iface
 
 if __name__ == "__main__":
-    app().launch()
+    app().launch()