# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1512338472 -3600
# Node ID 92389b7220038865566f8ccf08e49a08332bf083
# Parent  4d3e6b13737fd80b02bfc5ada1a208aad9145497
Fixed UNTIL acquisition from rule parameters.

diff -r 4d3e6b13737f -r 92389b722003 imiptools/data.py
--- a/imiptools/data.py	Sun Dec 03 22:56:53 2017 +0100
+++ b/imiptools/data.py	Sun Dec 03 23:01:12 2017 +0100
@@ -1237,9 +1237,11 @@
         return iter([main_period])
 
     parameters = get_parameters(rrule)
-    until = parameters and parameters.has_key("UNTIL") or None
+    until = parameters and parameters.get("UNTIL") or None
     until = until and to_timezone(get_datetime(until), tzid)
 
+    # Obtain the periods generated by the rule.
+
     rule_periods = get_periods_using_selector(selector, until,
                                               main_period, tzid, start, end,
                                               inclusive)