clean up

Author: jchanvfx

NodeGraphQt/base/graph.py

@@ -818,7 +818,7 @@ def set_context_menu_from_file(self, file_path, menu=None):
 
         menu = menu or 'graph'
         if not os.path.isfile(file_path):
-            return
+            raise IOError('file doesn\'t exists: "{}"'.format(file_path))
 
         with open(file_path) as f:
             data = json.load(f)

NodeGraphQt/custom_widgets/nodes_palette.py

@@ -140,7 +140,7 @@ def __init__(self, parent=None):
         self.setViewMode(self.IconMode)
         self.setDragDropMode(self.DragOnly)
         self.setDragEnabled(True)
-        self.setMinimumSize(450, 300)
+        self.setMinimumSize(300, 100)
         self.setSpacing(4)
 
         model = QtGui.QStandardItemModel()