Update app.py

app.py

@@ -32,7 +32,7 @@ def preprocess_text(text):
   # Write your for-in loop below to clean each chunk and add it to the cleaned_chunks list
   for chunk in chunks:
     clean_chunk = chunk.strip()
-    if(len(clean_chunk) != 0):
+    if(len(clean_chunk) >= 0):
       cleaned_chunks.append(clean_chunk)
 
   # Print cleaned_chunks