Update app.py

app.py

@@ -182,7 +182,7 @@ def pre_process_text(text):
     # Remove empty elements
     cleaned_sentences = [sentence for sentence in split_sentences if sentence.strip()]
     sentences_number = len(cleaned_sentences)
-    return sentences, sentences_number
+    return cleaned_sentences, sentences_number
 
 # Function to clean the sentences list and return words only
 def extract_words(sentences):