Reordered attribute priming in Node.__init__

changes/239.misc.rst

@@ -0,0 +1 @@
+The order in which attributes are primed in ``Node.__init__`` has been altered, so that ``.parent`` is available when a style is applied.

src/travertino/node.py

@@ -1,14 +1,17 @@
 class Node:
     def __init__(self, style, applicator=None, children=None):
+        # Parent needs to be primed before style is (potentially) applied with
+        # assignment of applicator.
+        self._parent = None
+        self._root = None
+
         # Explicitly set the internal attribute first, since the setter for style will
         # access the applicator property.
         self._applicator = None
 
         self.style = style
         self.applicator = applicator
 
-        self._parent = None
-        self._root = None
         if children is None:
             self._children = None
         else: