fix text display

app.py

@@ -69,8 +69,10 @@ def stream_text(url, chunk_duration_ms, pad_duration_ms):
                 if " " in text:
                     text, leftover_text = text.rsplit(" ", 1)
                 else:
-                    leftover_text = ""
-                yield text
+                    leftover_text = text
+                    text = ""
+                if text:
+                    yield text
             else:
                 yield leftover_text
                 leftover_text = ""