mgt c10 complete merge to put bootstrap css changes on their own fork

backend/app/email.py

@@ -1,12 +1,17 @@
+from threading import Thread
 from flask import render_template
 from flask_mail import Message
 from app import mail, app
 
+def send_async_email(app, msg):
+    with app.app_context():
+        mail.send(msg)
+
 def send_email(subject, sender, recipients, text_body, html_body):
     msg = Message(subject, sender=sender, recipients=recipients)
     msg.body = text_body
     msg.html = html_body
-    mail.send(msg)
+    Thread(target=send_async_email, args=(app, msg)).start()
 
 def send_password_reset_email(user):
     token = user.get_reset_password_token()