```Traceback (most recent call last):


 "/home/user/tribler/TriblerGUI/widgets/trustpage.py", line 104, in received_multichain_blocks

self.plot_absolute_values()


 "/home/user/tribler/TriblerGUI/widgets/trustpage.py", line 124, in plot_absolute_values

self.trust_plot.compute_initial_figure()


 "/home/user/tribler/TriblerGUI/widgets/trustpage.py", line 64, in compute_initial_figure

self.draw()


 "/usr/lib/python2.7/dist-packages/matplotlib/backends/backend_qt5agg.py", line 158, in draw

FigureCanvasAgg.draw(self)


 "/usr/lib/python2.7/dist-packages/matplotlib/backends/backend_agg.py", line 474, in draw

self.figure.draw(self.renderer)


 "/usr/lib/python2.7/dist-packages/matplotlib/artist.py", line 62, in draw_wrapper

draw(artist, renderer, *args, **kwargs)


 "/usr/lib/python2.7/dist-packages/matplotlib/figure.py", line 1159, in draw

func(*args)


 "/usr/lib/python2.7/dist-packages/matplotlib/artist.py", line 62, in draw_wrapper

draw(artist, renderer, *args, **kwargs)


 "/usr/lib/python2.7/dist-packages/matplotlib/axes/_base.py", line 2319, in draw

a.draw(renderer)


 "/usr/lib/python2.7/dist-packages/matplotlib/artist.py", line 62, in draw_wrapper

draw(artist, renderer, *args, **kwargs)


 "/usr/lib/python2.7/dist-packages/matplotlib/axis.py", line 1108, in draw

ticks_to_draw = self._update_ticks(renderer)


 "/usr/lib/python2.7/dist-packages/matplotlib/axis.py", line 951, in _update_ticks

tick_tups = [t for t in self.iter_ticks()]


 "/usr/lib/python2.7/dist-packages/matplotlib/axis.py", line 898, in iter_ticks

for i, val in enumerate(majorLocs)]


 "/usr/lib/python2.7/dist-packages/matplotlib/dates.py", line 484, in __call__

dt = num2date(x, self.tz)


 "/usr/lib/python2.7/dist-packages/matplotlib/dates.py", line 419, in num2date

return _from_ordinalf(x, tz)


 "/usr/lib/python2.7/dist-packages/matplotlib/dates.py", line 271, in _from_ordinalf

dt = datetime.datetime.fromordinal(ix).replace(tzinfo=UTC)
ValueError: ordinal must be >= 1```
while running this command I am getting an error - Traceback (most recent call last):


 "bin/generate_data", line 7, in <module>

cli.Cli(sys.argv[1:]).run()


 "/home/ramya/anaconda3/lib/python3.6/site-packages/ingredient_phrase_tagger-0.0.0.dev0-py3.6.egg/ingredient_phrase_tagger/training/cli.py", line 15, in run


 "/home/ramya/anaconda3/lib/python3.6/site-packages/ingredient_phrase_tagger-0.0.0.dev0-py3.6.egg/ingredient_phrase_tagger/training/cli.py", line 26, in generate_data
ValueError: invalid literal for int() with base 10: ''
