Update app.py

app.py

@@ -2,6 +2,7 @@
 import gradio as gr
 from openai import OpenAI
 import os
+import re
 
 # define the openai key
 api_key = os.getenv("OPENAI_API_KEY")
@@ -31,8 +32,10 @@ def humanize_text(AI_text):
   ]
   )
 
+  humanize_text= response.choices[0].message.content.strip()
+  humanized_text = re.sub(r'[^A-Za-z0-9\s]', '', humanized_text)
 
-  return response.choices[0].message.content.strip()
+  return humanized_text
 
 
 # Gradio interface definition