bug fixes #418.

Author: jchanvfx

NodeGraphQt/custom_widgets/nodes_tree.py

@@ -78,7 +78,6 @@ def _build_tree(self):
         Populate the node tree.
         """
         self.clear()
-        palette = QtGui.QPalette()
         categories = set()
         node_types = {}
         for name, node_ids in self._factory.names.items():

NodeGraphQt/widgets/viewer.py

@@ -50,7 +50,7 @@ class NodeViewer(QtWidgets.QGraphicsView):
     node_selected = QtCore.Signal(str)
     node_selection_changed = QtCore.Signal(list, list)
     node_double_clicked = QtCore.Signal(str)
-    data_dropped = QtCore.Signal(QtCore.QMimeData, QtCore.QPoint)
+    data_dropped = QtCore.Signal(object)
     context_menu_prompt = QtCore.Signal(str, object)
 
     def __init__(self, parent=None, undo_stack=None):