Update app.py

app.py

@@ -125,7 +125,7 @@ def load_single_example_text(
     # load the examples into a list
     with open(full_ex_path, "r", encoding="utf-8", errors="ignore") as f:
         raw_text = f.read()
-        text = cl(raw_text, extra_spaces=True, lowercase=False) #see if it works
+        text = clean(raw_text, extra_spaces=True, lowercase=False) #see if it works
     return text