rename async decorator to asyncfn

flask/forest/decorators.py

@@ -4,7 +4,7 @@ from flask_login import current_user
 from .models import Permission
 from threading import Thread
 
-def async(f):
+def asyncfn(f):
     def wrapper(*args, **kwargs):
         thr = Thread(target=f, args=args, kwargs=kwargs)
         thr.start()

flask/forest/email.py

@@ -2,9 +2,9 @@ from threading import Thread
 from flask import current_app, render_template
 from flask_mail import Message
 from . import app, mail
-from decorators import async
+from decorators import asyncfn
 
-@async
+@asyncfn
 def send_async_email(app, msg):
     with app.app_context():
         mail.send(msg)