[PyFeyn] pyfeyn in ubuntu 13.10

[Alejandro Gomez Espinosa]

Hi

I was trying to use your package and I found an error. First I installed
your package like:
sudo python setup.py install
seems like is working because I opened python and I could import that
package. But when I copied the first of your examples, in a file inside the
untar folder, I got this error:

Traceback (most recent call last):
  File "./test.py", line 17, in <module>
    fd.draw("pyfeyn-test4.pdf")
  File "/home/algomez/Downloads/pyfeyn-0.3.4/pyfeyn/diagrams.py", line 69,
in draw
    c = self.drawToCanvas()
  File "/home/algomez/Downloads/pyfeyn-0.3.4/pyfeyn/diagrams.py", line 61,
in drawToCanvas
    obj.draw(self.currentCanvas)
  File "/home/algomez/Downloads/pyfeyn-0.3.4/pyfeyn/lines.py", line 329, in
draw
    canvas.stroke(path, styles)
  File "/usr/lib/python2.7/dist-packages/pyx/canvas.py", line 298, in stroke
    self.draw(path, [deco.stroked]+list(attrs))
  File "/usr/lib/python2.7/dist-packages/pyx/canvas.py", line 284, in draw
    adeco.decorate(dp, self.texrunner)
  File "/home/algomez/Downloads/pyfeyn-0.3.4/pyfeyn/deco.py", line 46, in
decorate
    1, self.size, 45, constrictionlen)
  File "/home/algomez/Downloads/pyfeyn-0.3.4/pyfeyn/deco.py", line 16, in
getarrowpath
    1, selfsize, 45, self.constriction,
NameError: global name 'self' is not defined

any ideas? I will love to create Feynman Diagrams in python!! :D

cheers,

*Alejandro Gomez Espinosa                    *
*Department of Physics and Astronomy         *
*Rutgers, The State University of New Jersey *
*136 Frelinghuysen Road *
*Piscataway, NJ 08854-8019 USA *
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