Update app.py

app.py

@@ -22,10 +22,11 @@ def chunks_of_900(text, chunk_size=900):
     chunks = []
     current_chunk = ""
     for sentence in sentences:
-        if len(current_chunk)!=0:
-            current_chunk += " "+sentence
-        else:
-            current_chunk += sentence
+       if len(current_chunk + sentence) <= chunk_size:
+            if len(current_chunk)!=0:
+                current_chunk += " "+sentence
+            else:
+                current_chunk += sentence
         else:
             chunks.append(current_chunk)
             current_chunk = sentence