Update app.py

app.py

@@ -13,7 +13,7 @@ def textrank_summarizer(text_corpus):
     stemmer = Stemmer("english")
     summarizer = TextRankSummarizer(stemmer)
     summarizer.stop_words = get_stop_words("english")
-    sentences = summarizer(parser.document, 10)
+    sentences = summarizer(parser.document, 25)
     summary = ""
     for sentence in sentences:
         summary += str(sentence) + ""