Use _make_writable also in delete function

This way the _make_writable can be changed in one place.
2015-11-17 23:52:26 +07:00 · 2015-11-17 23:52:26 +07:00 · ff3a5935fc
parent 1e464d9d4c
commit ff3a5935fc
1 changed files with 1 additions and 1 deletions
--- a/relational/relation.py
+++ b/relational/relation.py
@ -460,7 +460,7 @@ class Relation (object):
        Returns the number of affected rows.'''

        l = len(self.content)
-        self._readonly = False
+        self._make_writable(copy_content=False)
        self.content = self.difference(self.selection(expr)).content
        return len(self.content) - l