Pydev Nodebox: “AttributeError: 'NoneType' object has no attribute 'WIDTH'”
问题 I am trying to create a graph of the connections between the users in my database using nodebox(ubuntu 12.04, python 2.7, django 1.3), but when I enter the following instructions, I get the error message underneath it: """ g.draw(weighted=False, directed=False, highlight=[], traffic=None) Traceback (most recent call last): File "/usr/local/lib/python2.7/dist-packages/IPython/core/interactiveshell.py", line 2721, in run_code exec code_obj in self.user_global_ns, self.user_ns File "<ipython