Update app.py

app.py

@@ -156,9 +156,9 @@ def chunk_text(text, max_chars):
     """
     if max_chars > 105:
         max_chars = 105
-    if max_chars < 50:
+    if max_chars < 40:
         max_chars = max_chars * 2
-    split_after_space_chars = max_chars + 30
+    split_after_space_chars = max_chars + int(max_chars * 0.33)
     chunks = []
     current_chunk = ""