[yt-dev] [yt_analysis/yt] Plotting 'TotalEnergy' with Enzo frontend results in error (issue #525)

[Kacper Kowalik]

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New issue 525: Plotting 'TotalEnergy' with Enzo frontend results in error
https://bitbucket.org/yt_analysis/yt/issue/525/plotting-totalenergy-with-enzo-frontend

Kacper Kowalik:

As reported by @devinsilvia on #yt, following code:

```
#!python
from yt.mods import *

pf = load("IsolatedGalaxy/galaxy0030/galaxy0030")
slc = SlicePlot(pf, 'z', 'TotalEnergy')
slc.save()
```

yields

```
#!bash

Traceback (most recent call last):
  File "simple_plot.py", line 6, in <module>
    slc = SlicePlot(pf, 'z', 'TotalEnergy')
  File "/home/xarth/codes/yt-my/yt/visualization/plot_window.py", line 1205, in __init__
    PWViewerMPL.__init__(self, slc, bounds, origin=origin, fontsize=fontsize)
  File "/home/xarth/codes/yt-my/yt/visualization/plot_window.py", line 805, in __init__
    PWViewer.__init__(self, *args, **kwargs)
  File "/home/xarth/codes/yt-my/yt/visualization/plot_window.py", line 579, in __init__
    if setup: self._setup_plots()
  File "/home/xarth/codes/yt-my/yt/visualization/plot_window.py", line 939, in _setup_plots
    parser.parse(colorbar_label)
  File "/usr/lib64/python2.7/site-packages/matplotlib/mathtext.py", line 3010, in parse
    box = self._parser.parse(s, font_output, fontsize, dpi)
  File "/usr/lib64/python2.7/site-packages/matplotlib/mathtext.py", line 2344, in parse
    str(err)]))
ValueError: 
m{Energy}$$\/\/(\rm{ergs}/\rm{g})$
^
Expected end of text (at char 0), (line:1, col:1)
```


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