[Fix] Fixed ObjectDoesNotExist for send_registration_mail, fixed duplicate mail sending (#312)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#312

epdb/logic.py

@@ -194,8 +194,6 @@ class UserManager(object):
         if clean_username != username or clean_email != email:
             # This will be caught by the try in view.py/register
             raise ValueError("Invalid username or password")
-        # avoid circular import :S
-        from .tasks import send_registration_mail
 
         extra_fields = {"is_active": not s.ADMIN_APPROVAL_REQUIRED}
 
@@ -214,10 +212,6 @@ class UserManager(object):
         u.default_package = p
         u.save()
 
-        if not u.is_active:
-            # send email for verification
-            send_registration_mail.delay(u.pk)
-
         if set_setting:
             u.default_setting = Setting.objects.get(global_default=True)
             u.save()