add default _attrs value so pickling AFM objects doesn't blow up


git-svn-id: svn://svn.code.sf.net/p/fonttools/code/trunk@393 4cde692c-a291-49d1-8350-778aa11640f8
1 file changed
tree: 9f09aafd581d6c5a285d4a65ca40610f0413f63f
  1. Doc/
  2. Lib/
  3. Mac/
  4. MetaTools/
  5. Src/
  6. Tools/
  7. Windows/
  8. LICENSE.txt
  9. README.txt
  10. setup.py