New issue 1246: Mjup/cm**3 can't be used as a unit for density https://bitbucket.org/yt_analysis/yt/issues/1246/mjup-cm-3-cant-be-used-as-a... Matthew Turk: This script: ``` import yt ds = yt.load("data/IsolatedGalaxy/galaxy0030/galaxy0030") p = ds.r[0.5,:,:].plot("density") p.set_unit("density", "Mjup/cm**3") ``` (`.plot()` only works in the notebook evidently) results in this traceback: ``` --------------------------------------------------------------------------- ValueError Traceback (most recent call last) /home/mturk/yt-conda/lib/python2.7/site-packages/IPython/core/formatters.pyc in __call__(self, obj) 309 method = get_real_method(obj, self.print_method) 310 if method is not None: --> 311 return method() 312 return None 313 else: /home/mturk/yt/yt/yt/visualization/plot_container.pyc in newfunc(*args, **kwargs) 76 # it is the responsibility of _setup_plots to 77 # call args[0].run_callbacks() ---> 78 args[0]._setup_plots() 79 rv = f(*args, **kwargs) 80 return rv /home/mturk/yt/yt/yt/visualization/plot_window.pyc in _setup_plots(self) 896 parser = MathTextParser('Agg') 897 try: --> 898 parser.parse(colorbar_label) 899 except ParseFatalException as err: 900 raise YTCannotParseUnitDisplayName(f, colorbar_label, str(err)) /home/mturk/yt-conda/lib/python2.7/site-packages/matplotlib/mathtext.pyc in parse(self, s, dpi, prop) 3124 self.__class__._parser = Parser() 3125 -> 3126 box = self._parser.parse(s, font_output, fontsize, dpi) 3127 font_output.set_canvas_size(box.width, box.height, box.depth) 3128 result = font_output.get_results(box) /home/mturk/yt-conda/lib/python2.7/site-packages/matplotlib/mathtext.pyc in parse(self, s, fonts_object, fontsize, dpi) 2372 err.line, 2373 " " * (err.column - 1) + "^", -> 2374 six.text_type(err)])) 2375 self._state_stack = None 2376 self._em_width_cache = {} ValueError: \ \ \left(\frac{M_{\rm{Jup}}{\rm{cm}^{3}}\right) ^ Unknown symbol: \right (at char 41), (line:1, col:42) ``` `Mearth/cm**3` works.