# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1441145118 -7200
# Node ID e1346c623a1f331e09441dea1d172641eee71f65
# Parent  d2b641669fcbb7bb4af2d4d3dab0ad2016122688
Handle ill-defined user store directories.

diff -r d2b641669fcb -r e1346c623a1f imip_store.py
--- a/imip_store.py	Tue Sep 01 19:50:26 2015 +0200
+++ b/imip_store.py	Wed Sep 02 00:05:18 2015 +0200
@@ -191,6 +191,8 @@
         "Return a set of (uid, recurrenceid) tuples for all events."
 
         uids = self.get_events(user)
+        if not uids:
+            return set()
 
         all_events = set()
         for uid in uids: