[PyFeyn] PyFeyn error with fd.draw

[Ian Brock]

Dear PyFeyn,

I get an error when trying to run the first PyFeyn test file:
python pyfeyn-test1.py 
/usr/local/texlive/2015/texmf-dist/tex/latex/hepnames/hepnicenames.sty
Traceback (most recent call last):
  File "pyfeyn-test1.py", line 26, in <module>
    fd.draw("pyfeyn-test1.pdf")
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyfeyn/diagrams.py", line 70, in draw
    c = self.drawToCanvas()
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyfeyn/diagrams.py", line 62, in drawToCanvas
    obj.draw(self.currentCanvas)
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyfeyn/lines.py", line 522, in draw
    ass, bs, cs = para.normpath_selfintersections(mypath.normpath(), epsilon=0.01)
TypeError: normpath_selfintersections() missing 1 required positional argument: 'eps_comparepairs'

I am using Python3.5 installed via Macports.
I installed PyX and PyFeyn via pip. This worked without any error messages.
I tested hepnames in test file and it works fine.

Best Regards
Ian

Ian C. Brock | Physikalisches Institut, Universität Bonn | Nußallee 12 | D-53115 Bonn
Tel. +49 228 733616 | Email: brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de>



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