Designer -Python Matplotlib error

[saramm]

Hi,

I'm trying to use Matplotlib in python. I can import the package Matplotlib using;

import matplotlib.pyplot as plt

and it imports the package without error.

I can also run the following without erro;

plt.figure()

however, when I try to plot something using plt.plot() I get the following error;

I am not sure why i'm getting this error. I would appreciate any help in resolving it.

Thank you

[<matplotlib.lines.Line2D at 0x1ae491910f0>]

---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
c:\program files\alteryx\bin\miniconda3\envs\jupytertool_venv\lib\site-packages\IPython\core\formatters.py in __call__(self, obj)
    339                 pass
    340             else:
--> 341                 return printer(obj)
    342             # Finally look for special method names
    343             method = get_real_method(obj, self.print_method)

c:\program files\alteryx\bin\miniconda3\envs\jupytertool_venv\lib\site-packages\IPython\core\pylabtools.py in <lambda>(fig)
    242 
    243     if 'png' in formats:
--> 244         png_formatter.for_type(Figure, lambda fig: print_figure(fig, 'png', **kwargs))
    245     if 'retina' in formats or 'png2x' in formats:
    246         png_formatter.for_type(Figure, lambda fig: retina_figure(fig, **kwargs))

c:\program files\alteryx\bin\miniconda3\envs\jupytertool_venv\lib\site-packages\IPython\core\pylabtools.py in print_figure(fig, fmt, bbox_inches, **kwargs)
    126 
    127     bytes_io = BytesIO()
--> 128     fig.canvas.print_figure(bytes_io, **kw)
    129     data = bytes_io.getvalue()
    130     if fmt == 'svg':

c:\program files\alteryx\bin\miniconda3\envs\jupytertool_venv\lib\site-packages\matplotlib\backend_bases.py in print_figure(self, filename, dpi, facecolor, edgecolor, orientation, format, bbox_inches, **kwargs)
   2054             If not None, switch the figure canvas to the ``FigureCanvas`` class
   2055             of the given backend.
-> 2056         fmt : str
   2057             If *backend* is None, then determine a suitable canvas class for
   2058             saving to format *fmt* -- either the current canvas class, if it

c:\program files\alteryx\bin\miniconda3\envs\jupytertool_venv\lib\site-packages\matplotlib\backends\backend_agg.py in print_png(self, filename_or_obj, metadata, pil_kwargs, *args, **kwargs)
    499 
    500             .. _PNG specification: \
--> 501                 https://www.w3.org/TR/2003/REC-PNG-20031110/#11keywords
    502 
    503         pil_kwargs : dict, optional

ImportError: cannot import name '_png'

<Figure size 432x288 with 1 Axes>