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--- a/Allura/allura/tasks/mail_tasks.py
+++ b/Allura/allura/tasks/mail_tasks.py
@@ -3,7 +3,6 @@
 from pylons import c, g
 from bson import ObjectId
 
-from allura import model as M
 from allura.lib import helpers as h
 from allura.lib.decorators import task
 from allura.lib import mail_util
@@ -69,7 +68,7 @@
     subject,
     message_id,
     in_reply_to=None):
-
+    from allura import model as M
     addrs_plain = []
     addrs_html = []
     addrs_multi = []