# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1431793583 -7200
# Node ID 9aa0d03293385e81febdcdf8290f83284dc49242
# Parent  a7e8fd4378c2a0708539fd4a82948efe8539efc5
Require start and end datetimes in periods.

diff -r a7e8fd4378c2 -r 9aa0d0329338 imiptools/period.py
--- a/imiptools/period.py	Sat May 16 18:09:37 2015 +0200
+++ b/imiptools/period.py	Sat May 16 18:26:23 2015 +0200
@@ -29,7 +29,7 @@
 
     "A basic period abstraction."
 
-    def __init__(self, start, end=None, origin=None):
+    def __init__(self, start, end, origin=None):
         self.start = isinstance(start, date) and start or get_datetime(start)
         self.end = isinstance(end, date) and end or get_datetime(end)
         self.origin = origin