diff --git a/hgext/patchbomb.py b/hgext/patchbomb.py
--- a/hgext/patchbomb.py
+++ b/hgext/patchbomb.py
@@ -63,7 +63,7 @@
 #
 # That should be all.  Now your patchbomb is on its way out.
 
-import os, errno, popen2, socket, sys, tempfile, time
+import os, errno, socket, time
 import email.MIMEMultipart, email.MIMEText, email.Utils
 from mercurial import cmdutil, commands, hg, mail, ui, patch
 from mercurial.i18n import _