fig = plt.figure(figsize=(4, 4))ax = fig.add_axes([0, 0, 1, 1])plt.rcParams['font.family'] = 'monospace'plt.rcParams['text.usetex'] = Truerc('text.latex', preamble=r'\usepackage[OT1]{fontenc}\usepackage{concmath}')plt.plot([10**1,10**9], [1,10], label='Test M$_\star$')plt.scatter([10**1,10**9], [1,10], label='Test1 M$_\star$ = 10M$_\odot$')plt.xscale('log')plt.yscale('log')plt.xlabel('Test')plt.ylabel('Test')plt.xlim(10, 10**9)plt.legend()plt.savefig('test.pdf', bbox_inches='tight')

KeyError                                  Traceback (most recent call last)<ipython-input-3-de7a1b0d622a> in <module>     14 plt.legend()     15 ---> 16 plt.savefig('test_sm.pdf', bbox_inches='tight')~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/pyplot.py in savefig(*args, **kwargs)    964 def savefig(*args, **kwargs):    965     fig = gcf()--> 966     res = fig.savefig(*args, **kwargs)    967     fig.canvas.draw_idle()   # need this if 'transparent=True' to reset colors    968     return res~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/figure.py in savefig(self, fname, transparent, **kwargs)   3003                 patch.set_edgecolor('none')   3004 -> 3005         self.canvas.print_figure(fname, **kwargs)   3006    3007         if transparent:~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/backend_bases.py in print_figure(self, filename, dpi, facecolor, edgecolor, orientation, format, bbox_inches, pad_inches, bbox_extra_artists, backend, **kwargs)   2253                 # force the figure dpi to 72), so we need to set it again here.   2254                 with cbook._setattr_cm(self.figure, dpi=dpi):-> 2255                     result = print_method(   2256                         filename,   2257                         facecolor=facecolor,~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/backend_bases.py in wrapper(*args, **kwargs)   1667             kwargs.pop(arg)   1668 -> 1669         return func(*args, **kwargs)   1670    1671     return wrapper~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/_api/deprecation.py in wrapper(*inner_args, **inner_kwargs)    429                          else deprecation_addendum,    430                 **kwargs)--> 431         return func(*inner_args, **inner_kwargs)    432     433     return wrapper~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/backends/backend_pdf.py in print_pdf(self, filename, dpi, bbox_inches_restore, metadata)   2723                 RendererPdf(file, dpi, height, width),   2724                 bbox_inches_restore=bbox_inches_restore)-> 2725             self.figure.draw(renderer)   2726             renderer.finalize()   2727             if not isinstance(filename, PdfPages):~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/artist.py in draw_wrapper(artist, renderer, *args, **kwargs)     72     @wraps(draw)     73     def draw_wrapper(artist, renderer, *args, **kwargs):---> 74         result = draw(artist, renderer, *args, **kwargs)     75         if renderer._rasterizing:     76             renderer.stop_rasterizing()~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/artist.py in draw_wrapper(artist, renderer, *args, **kwargs)     49                 renderer.start_filter()     50 ---> 51             return draw(artist, renderer, *args, **kwargs)     52         finally:     53             if artist.get_agg_filter() is not None:~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/figure.py in draw(self, renderer)   2778    2779             self.patch.draw(renderer)-> 2780             mimage._draw_list_compositing_images(   2781                 renderer, self, artists, self.suppressComposite)   2782 ~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/image.py in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)    130     if not_composite or not has_images:    131         for a in artists:--> 132             a.draw(renderer)    133     else:    134         # Composite any adjacent images together~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/artist.py in draw_wrapper(artist, renderer, *args, **kwargs)     49                 renderer.start_filter()     50 ---> 51             return draw(artist, renderer, *args, **kwargs)     52         finally:     53             if artist.get_agg_filter() is not None:~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/_api/deprecation.py in wrapper(*inner_args, **inner_kwargs)    429                          else deprecation_addendum,    430                 **kwargs)--> 431         return func(*inner_args, **inner_kwargs)    432     433     return wrapper~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/axes/_base.py in draw(self, renderer, inframe)   2919             renderer.stop_rasterizing()   2920 -> 2921         mimage._draw_list_compositing_images(renderer, self, artists)   2922    2923         renderer.close_group('axes')~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/image.py in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)    130     if not_composite or not has_images:    131         for a in artists:--> 132             a.draw(renderer)    133     else:    134         # Composite any adjacent images together~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/artist.py in draw_wrapper(artist, renderer, *args, **kwargs)     49                 renderer.start_filter()     50 ---> 51             return draw(artist, renderer, *args, **kwargs)     52         finally:     53             if artist.get_agg_filter() is not None:~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/axis.py in draw(self, renderer, *args, **kwargs)   1139    1140         for tick in ticks_to_draw:-> 1141             tick.draw(renderer)   1142    1143         # scale up the axis label box to also find the neighbors, not~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/artist.py in draw_wrapper(artist, renderer, *args, **kwargs)     49                 renderer.start_filter()     50 ---> 51             return draw(artist, renderer, *args, **kwargs)     52         finally:     53             if artist.get_agg_filter() is not None:~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/axis.py in draw(self, renderer)    300         for artist in [self.gridline, self.tick1line, self.tick2line,    301                        self.label1, self.label2]:--> 302             artist.draw(renderer)    303         renderer.close_group(self.__name__)    304         self.stale = False~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/artist.py in draw_wrapper(artist, renderer, *args, **kwargs)     49                 renderer.start_filter()     50 ---> 51             return draw(artist, renderer, *args, **kwargs)     52         finally:     53             if artist.get_agg_filter() is not None:~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/text.py in draw(self, renderer)    721     722                 if textobj.get_usetex():--> 723                     textrenderer.draw_tex(gc, x, y, clean_line,    724                                           textobj._fontproperties, angle,    725                                           mtext=mtext)~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/_api/deprecation.py in wrapper(*inner_args, **inner_kwargs)    429                          else deprecation_addendum,    430                 **kwargs)--> 431         return func(*inner_args, **inner_kwargs)    432     433     return wrapper~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/backends/backend_pdf.py in draw_tex(self, gc, x, y, s, prop, angle, ismath, mtext)   2190         for x1, y1, dvifont, glyph, width in page.text:   2191             if dvifont != oldfont:-> 2192                 pdfname = self.file.dviFontName(dvifont)   2193                 seq += [['font', pdfname, dvifont.size]]   2194                 oldfont = dvifont~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/backends/backend_pdf.py in dviFontName(self, dvifont)    863     864         tex_font_map = dviread.PsfontsMap(dviread.find_tex_file('pdftex.map'))--> 865         psfont = tex_font_map[dvifont.texname]    866         if psfont.filename is None:    867             raise ValueError(~/opt/anaconda3/lib/python3.8/site-packages/matplotlib/dviread.py in __getitem__(self, texname)    856         assert isinstance(texname, bytes)    857         try:--> 858             result = self._font[texname]    859         except KeyError:    860             fmt = ('A PostScript file for the font whose TeX name is "{0}" 'KeyError: b'ccr10'