Update app.py

app.py

@@ -14,7 +14,7 @@ def find_rss(rss_url):
         try:
             if ".xml" in p['href'] or ".json" in p['href'] or ".rss" in p['href']:
                 print (p['href'])
-                json_dict[p.text]=p['href']
+                json_dict[str(p.text)]=p['href']
         except Exception:
             pass
     json_box.append(json_dict)