import numpy as npimport matplotlib.pyplot as plt%matplotlib notebookfig, ax = plt.subplots()ax.plot(range(10))

---------------------------------------------------------------------------NameError                                 Traceback (most recent call last)<ipython-input-2-545a291cf584> in <module>()----> 1 fig, ax = plt.subplots()      2 ax.plot(range(10))~/matplotlib/lib/matplotlib/pyplot.py in subplots(nrows, ncols, sharex, sharey, squeeze, subplot_kw, gridspec_kw, **fig_kw)   1113     :meth:`.Figure.subplots`   1114     """-> 1115     fig = figure(**fig_kw)   1116     axs = fig.subplots(nrows=nrows, ncols=ncols, sharex=sharex, sharey=sharey,   1117                        squeeze=squeeze, subplot_kw=subplot_kw,~/matplotlib/lib/matplotlib/pyplot.py in figure(num, figsize, dpi, facecolor, edgecolor, frameon, FigureClass, clear, **kwargs)    519                                         frameon=frameon,    520                                         FigureClass=FigureClass,--> 521                                         **kwargs)    522     523         if figLabel:~/matplotlib/lib/matplotlib/backend_bases.py in new_figure_manager(cls, num, *args, **kwargs)   3251         fig_cls = kwargs.pop('FigureClass', Figure)   3252         fig = fig_cls(*args, **kwargs)-> 3253         return cls.new_figure_manager_given_figure(num, fig)   3254    3255     @classmethod~/matplotlib/lib/matplotlib/backends/backend_nbagg.py in new_figure_manager_given_figure(num, figure)    230         manager = FigureManagerNbAgg(canvas, num)    231         if is_interactive():--> 232             manager.show()    233             figure.canvas.draw_idle()    234         canvas.mpl_connect('close_event', lambda event: Gcf.destroy(num))~/matplotlib/lib/matplotlib/backends/backend_nbagg.py in show(self)     87     def show(self):     88         if not self._shown:---> 89             self.display_js()     90             self._create_comm()     91         else:~/matplotlib/lib/matplotlib/backends/backend_nbagg.py in display_js(self)     83         # browser instances using the same kernel (require.js - but the     84         # file isn't static?).---> 85         display(Javascript(FigureManagerNbAgg.get_javascript()))     86      87     def show(self):~/matplotlib/lib/matplotlib/backends/backend_nbagg.py in get_javascript(cls, stream)    112             output = stream    113         super().get_javascript(stream=output)--> 114         output.write((Path(__file__).parent / "web_backend/js/nbagg_mpl.js")    115                      .read_text(encoding="utf-8"))    116         if stream is None:NameError: name 'Path' is not defined

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