Consistently check derived for sum and sum_sq in tallies. Closes #1010

This commit is contained in:
Alex Lindsay 2018-05-23 14:16:17 -06:00
parent cacde822f9
commit 2e6b40cb1b

View file

@ -248,7 +248,7 @@ class Tally(IDManagerMixin):
@property
def sum_sq(self):
if not self._sp_filename:
if not self._sp_filename or self.derived:
return None
if not self._results_read: