Plot several MTG with plot function

[mlabadie]

Error when you want to send back when the mtg file contains several plants in notebook

Gariguette = import_mtgfile(filename= ["Gariguette"])
plot(Gariguette)

---------------------------------------------------------------------------
KeyError                                  Traceback (most recent call last)
<ipython-input-15-7b53d8f1cc75> in <module>()
      1 Gariguette = import_mtgfile(filename= ["Gariguette"])
      2 Capriss = import_mtgfile(filename= ["Capriss"])
----> 3 plot(Gariguette)

c:\users\mlabadie\documents\github\oawidgets\src\oawidgets\mtg.pyc in plot(g, properties, selection, hlayout, scale, labels, **kwds)
     82         else:
     83             label_node = labels[vid]
---> 84         level = levels[vid]
     85         if selection is None:
     86             color = groups[g.complex(vid)]

KeyError: 75

conda list --explicit > conda_env.txt

conda_env.txt