tbl: base _RowCells on Parented

Steve Canny · Steve Canny · commit 5cdf3e036931 · 2014-07-11T17:19:38.000-07:00
diff --git a/docx/table.py b/docx/table.py
@@ -230,15 +230,15 @@ def cells(self):
         Sequence of |_Cell| instances corresponding to cells in this row.
         Supports ``len()``, iteration and indexed access.
         """
-        return _RowCells(self._tr)
+        return _RowCells(self._tr, self)
 
 
-class _RowCells(object):
+class _RowCells(Parented):
     """
     Sequence of |_Cell| instances corresponding to the cells in a table row.
     """
-    def __init__(self, tr):
-        super(_RowCells, self).__init__()
+    def __init__(self, tr, parent):
+        super(_RowCells, self).__init__(parent)
         self._tr = tr
 
     def __getitem__(self, idx):
diff --git a/tests/test_table.py b/tests/test_table.py
@@ -316,7 +316,7 @@ def it_raises_on_indexed_access_out_of_range(self, cell_count_fixture):
 
     @pytest.fixture
     def cell_count_fixture(self):
-        cells = _RowCells(element('w:tr/(w:tc, w:tc)'))
+        cells = _RowCells(element('w:tr/(w:tc, w:tc)'), None)
         cell_count = 2
         return cells, cell_count
 
