Re: [Matplotlib-users] Exception RuntimeError: 'sys.meta_path must be a list of import hooks

[Neal B. <ndb...@gm...>]

Neal Becker wrote:

> Any ideas what this is about?
> 
> No traceback, just this message:
> 
> Exception RuntimeError: 'sys.meta_path must be a list of import hooks' in
> <bound method plot.__del__ of <__main__.plot object at 0x2cf5c10>> ignored
> 

Maybe I found it.  I had an object managing my plot, which had a __del__ which 
called pdf.close().  Probably this destructor was called too late.  I now 
explicitly call del on my object, and the problem is gone.