# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1481842205 -3600
# Node ID 79f5d2c374424b2bc29a6eae6faa357668ac36d2
# Parent  887956f46f61d1a619570c535014d153fbf8fd15
Tidied up origin acquisition in the ancestors method.

diff -r 887956f46f61 -r 79f5d2c37442 referencing.py
--- a/referencing.py	Thu Dec 15 23:27:05 2016 +0100
+++ b/referencing.py	Thu Dec 15 23:50:05 2016 +0100
@@ -194,10 +194,11 @@
         depth.
         """
 
-        if not self.get_origin():
+        origin = self.get_origin()
+        if not origin:
             return None
 
-        parts = self.get_origin().split(".")
+        parts = origin.split(".")
         ancestors = []
 
         for i in range(len(parts) - 1, 0, -1):