importmatplotlibmatplotlib.rcParams['text.usetex']=Trueimportmatplotlib.pyplotaspltfig=plt.figure()ax=fig.add_subplot(111)ax.set_ylabel(r'\textmu')plt.savefig('fig.ps')

Traceback (most recent call last):  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/backends/backend_ps.py", line 1520, in gs_distill    report = subprocess.check_output(command, stderr=subprocess.STDOUT)  File "/usr/lib/python3.6/subprocess.py", line 336, in check_output    **kwargs).stdout  File "/usr/lib/python3.6/subprocess.py", line 418, in run    output=stdout, stderr=stderr)subprocess.CalledProcessError: Command '['gs', '-dBATCH', '-dNOPAUSE', '-r6000', '-sDEVICE=ps2write', '-sPAPERSIZE=letter', '-sOutputFile=/tmp/tmpt8w23igm.ps', '/tmp/tmpt8w23igm']' returned non-zero exit status 1.During handling of the above exception, another exception occurred:Traceback (most recent call last):  File "Untitled.py", line 8, in <module>    plt.savefig('fig.ps')  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/pyplot.py", line 701, in savefig    res = fig.savefig(*args, **kwargs)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/figure.py", line 1834, in savefig    self.canvas.print_figure(fname, **kwargs)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/backend_bases.py", line 2267, in print_figure    **kwargs)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/backends/backend_ps.py", line 910, in print_ps    return self._print_ps(outfile, 'ps', *args, **kwargs)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/backends/backend_ps.py", line 937, in _print_ps    **kwargs)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/backends/backend_ps.py", line 1359, in _print_figure_tex    rotated=psfrag_rotated)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/backends/backend_ps.py", line 1525, in gs_distill    '\n\n' % exc.output.decode("utf-8")))RuntimeError: ghostscript was not able to process your image.Here is the full report generated by ghostscript:GPL Ghostscript 9.22 (2017-10-04)Copyright (C) 2017 Artifex Software, Inc.  All rights reserved.This software comes with NO WARRANTY: see the file PUBLIC for details.Error: /undefined in --get--Operand stack:   --nostringval--   --dict:9/18(ro)(L)--   112   --dict:13/13(L)--   --dict:13/13(L)--   baseExecution stack:   %interp_exit   .runexec2   --nostringval--   --nostringval--   --nostringval--   2   %stopped_push   --nostringval--   --nostringval--   --nostringval--   false   1   %stopped_push   2015   1   3   %oparray_pop   2014   1   3   %oparray_pop   1998   1   3   %oparray_pop   1884   1   3   %oparray_pop   --nostringval--   %errorexec_pop   .runexec2   --nostringval--   --nostringval--   --nostringval--   2   %stopped_push   --nostringval--   --nostringval--   --nostringval--   %finish_stringwidth   --nostringval--   --nostringval--   14   8   0   --nostringval--   (pdf_text_enum_t)   %op_show_continue   --nostringval--Dictionary stack:   --dict:986/1684(ro)(G)--   --dict:1/20(G)--   --dict:82/200(L)--   --dict:5/6(ro)(L)--   --dict:180/300(L)--   --dict:44/200(L)--   --dict:8/17(L)--   --dict:51/90(L)--Current allocation mode is localLast OS error: No such file or directoryCurrent file position is 58919GPL Ghostscript 9.22: Unrecoverable error, exit code 1

Traceback (most recent call last):  File "Untitled.py", line 8, in <module>    plt.savefig('fig.svg')  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/pyplot.py", line 701, in savefig    res = fig.savefig(*args, **kwargs)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/figure.py", line 1834, in savefig    self.canvas.print_figure(fname, **kwargs)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/backend_bases.py", line 2267, in print_figure    **kwargs)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/backends/backend_svg.py", line 1193, in print_svg    return self._print_svg(filename, svgwriter, **kwargs)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/backends/backend_svg.py", line 1248, in _print_svg    self.figure.draw(renderer)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/artist.py", line 55, in draw_wrapper    return draw(artist, renderer, *args, **kwargs)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/figure.py", line 1299, in draw    renderer, self, artists, self.suppressComposite)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/image.py", line 138, in _draw_list_compositing_images    a.draw(renderer)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/artist.py", line 55, in draw_wrapper    return draw(artist, renderer, *args, **kwargs)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/axes/_base.py", line 2437, in draw    mimage._draw_list_compositing_images(renderer, self, artists)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/image.py", line 138, in _draw_list_compositing_images    a.draw(renderer)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/artist.py", line 55, in draw_wrapper    return draw(artist, renderer, *args, **kwargs)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/axis.py", line 1147, in draw    self.label.draw(renderer)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/artist.py", line 55, in draw_wrapper    return draw(artist, renderer, *args, **kwargs)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/text.py", line 762, in draw    mtext=mtext)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/backends/backend_svg.py", line 1150, in draw_tex    self._draw_text_as_path(gc, x, y, s, prop, angle, ismath="TeX")  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/backends/backend_svg.py", line 950, in _draw_text_as_path    return_new_glyphs_only=True)  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/textpath.py", line 335, in get_glyphs_tex    font_bunch = self.tex_font_map[dvifont.texname]  File "/home/mirek/.local/lib/python3.6/site-packages/matplotlib/dviread.py", line 850, in __getitem__    result = self._font[texname]KeyError: b'tcss3583'

KeyError: b'tcss1000'