Merge pull request #69 from pypeclub/hotfix/PYPE-501_fix_crashing_bugs

Hotfix/PYPE-501-fix-crashing-bugs

Author: mkolar

avalon/tools/gui/delegates/delegate_version.py

@@ -19,7 +19,7 @@ def displayText(self, value, locale):
         return self._format_version(value)
 
     def createEditor(self, parent, option, index):
-        node = index.data(SubsetsModel.NodeRole)
+        node = index.data(SubsetModel.NodeRole)
         if node.get("isGroup"):
             return
 
@@ -48,7 +48,7 @@ def setEditorData(self, editor, index):
         assert isinstance(value, int), "Version is not `int`"
 
         # Add all available versions to the editor
-        node = index.data(SubsetsModel.NodeRole)
+        node = index.data(SubsetModel.NodeRole)
         parent_id = node['version_document']['parent']
         versions = io.find({"type": "version", "parent": parent_id},
                            sort=[("name", 1)])