Update app.py

app.py

@@ -34,7 +34,8 @@ def summarize_text(text):
 
 # Function: Keyword Extraction
 def extract_keywords(text):
-    return models["keyword_extraction"].extract_keywords(text, ngram_range=(1, 2), stop_words='english')
+    vectorizer = CountVectorizer(ngram_range=(1, 2))
+    return models["keyword_extraction"].extract_keywords(text, vectorizer=vectorizer, stop_words='english')
 
 # Function: Named Entity Recognition (NER)
 def analyze_ner(text):