# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1384613605 -3600
# Node ID 05ca9a5f6cb2c335cbc9310357e6a7f9e7fdbcdf
# Parent  5026bed6b41b5fcbe75474d285aa886d3229d5c5
Added a docstring explaining deduction-related changes to the data.

diff -r 5026bed6b41b -r 05ca9a5f6cb2 micropython/data.py
--- a/micropython/data.py	Fri Nov 15 21:57:29 2013 +0100
+++ b/micropython/data.py	Sat Nov 16 15:53:25 2013 +0100
@@ -583,6 +583,14 @@
         return len(self._get_defining_users())
 
     def get_context_values(self):
+
+        """
+        Return the context, value pairs for the attribute. Since these may be
+        derived from value information obtained from the defining users, and
+        since such information may be changed during the deduction process, the
+        result of this method may change after initial inspection.
+        """
+
         context_values = set()
         for def_user in self._get_defining_users():
             attr = def_user._values[self.name]