Traceback (most recent call last): File "/Users/mhjensen/miniforge3/lib/python3.9/site-packages/jupyter_cache/executors/utils.py", line 58, in single_nb_execution executenb( File "/Users/mhjensen/miniforge3/lib/python3.9/site-packages/nbclient/client.py", line 1305, in execute return NotebookClient(nb=nb, resources=resources, km=km, **kwargs).execute() File "/Users/mhjensen/miniforge3/lib/python3.9/site-packages/jupyter_core/utils/__init__.py", line 166, in wrapped return loop.run_until_complete(inner) File "/Users/mhjensen/miniforge3/lib/python3.9/asyncio/base_events.py", line 647, in run_until_complete return future.result() File "/Users/mhjensen/miniforge3/lib/python3.9/site-packages/nbclient/client.py", line 705, in async_execute await self.async_execute_cell( File "/Users/mhjensen/miniforge3/lib/python3.9/site-packages/nbclient/client.py", line 1058, in async_execute_cell await self._check_raise_for_error(cell, cell_index, exec_reply) File "/Users/mhjensen/miniforge3/lib/python3.9/site-packages/nbclient/client.py", line 914, in _check_raise_for_error raise CellExecutionError.from_cell_and_msg(cell, exec_reply_content) nbclient.exceptions.CellExecutionError: An error occurred while executing the following cell: ------------------ %matplotlib inline # import necessary packages import numpy as np import matplotlib.pyplot as plt from sklearn import datasets # ensure the same random numbers appear every time np.random.seed(0) # display images in notebook %matplotlib inline plt.rcParams['figure.figsize'] = (12,12) # download MNIST dataset digits = datasets.load_digits() # define inputs and labels inputs = digits.images labels = digits.target print("inputs = (n_inputs, pixel_width, pixel_height) = " + str(inputs.shape)) print("labels = (n_inputs) = " + str(labels.shape)) # flatten the image # the value -1 means dimension is inferred from the remaining dimensions: 8x8 = 64 n_inputs = len(inputs) inputs = inputs.reshape(n_inputs, -1) print("X = (n_inputs, n_features) = " + str(inputs.shape)) # choose some random images to display indices = np.arange(n_inputs) random_indices = np.random.choice(indices, size=5) for i, image in enumerate(digits.images[random_indices]): plt.subplot(1, 5, i+1) plt.axis('off') plt.imshow(image, cmap=plt.cm.gray_r, interpolation='nearest') plt.title("Label: %d" % digits.target[random_indices[i]]) plt.show() ------------------ --------------------------------------------------------------------------- ModuleNotFoundError Traceback (most recent call last) Cell In[1], line 1 ----> 1 get_ipython().run_line_magic('matplotlib', 'inline')  3 # import necessary packages  4 import numpy as np File ~/miniforge3/lib/python3.9/site-packages/IPython/core/interactiveshell.py:2432, in InteractiveShell.run_line_magic(self, magic_name, line, _stack_depth)  2430 kwargs['local_ns'] = self.get_local_scope(stack_depth)  2431 with self.builtin_trap: -> 2432 result = fn(*args, **kwargs)  2434 # The code below prevents the output from being displayed  2435 # when using magics with decorator @output_can_be_silenced  2436 # when the last Python token in the expression is a ';'.  2437 if getattr(fn, magic.MAGIC_OUTPUT_CAN_BE_SILENCED, False): File ~/miniforge3/lib/python3.9/site-packages/IPython/core/magics/pylab.py:99, in PylabMagics.matplotlib(self, line)  97 print("Available matplotlib backends: %s" % backends_list)  98 else: ---> 99 gui, backend = self.shell.enable_matplotlib(args.gui.lower() if isinstance(args.gui, str) else args.gui)  100 self._show_matplotlib_backend(args.gui, backend) File ~/miniforge3/lib/python3.9/site-packages/IPython/core/interactiveshell.py:3606, in InteractiveShell.enable_matplotlib(self, gui)  3585 def enable_matplotlib(self, gui=None):  3586  """Enable interactive matplotlib and inline figure support.  3587  3588  This takes the following steps:  (...)  3604  display figures inline.  3605  """ -> 3606 from matplotlib_inline.backend_inline import configure_inline_support  3608 from IPython.core import pylabtools as pt  3609 gui, backend = pt.find_gui_and_backend(gui, self.pylab_gui_select) File ~/miniforge3/lib/python3.9/site-packages/matplotlib_inline/__init__.py:1 ----> 1 from . import backend_inline, config # noqa  2 __version__ = "0.1.6" # noqa File ~/miniforge3/lib/python3.9/site-packages/matplotlib_inline/backend_inline.py:6  1 """A matplotlib backend for publishing figures via display_data"""  3 # Copyright (c) IPython Development Team.  4 # Distributed under the terms of the BSD 3-Clause License. ----> 6 import matplotlib  7 from matplotlib import colors  8 from matplotlib.backends import backend_agg ModuleNotFoundError: No module named 'matplotlib'