Update app.py

app.py

@@ -133,7 +133,7 @@ def humanize_text(AI_text):
 
 
 
-def main_function(AI_text)
+def main_function(AI_text):
     humanized_text = humanize_text(AI_text)
     humanized_text= transform_text(humanized_text)
     return humanized_text