MatPLotLib
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Memory Leaks
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Sometimes MatPlotLib ends up leaking memory and filling the RAM with garbage, to mitigate this effect, first of all import matplotlib in this order:

.. code-block:: python

    import matplotlib
    matplotlib.use('Agg')
    import matplotlib.pyplot as plt
    import gc

Now, wherever you create images inside loops, do the following cleanup:

.. code-block:: python

    fig.savefig(f"<path to image file>{<some integer counter>:03d}.png")
    fig.clf()
    plt.close(fig)
    gc.collect()

gc.collect() triggers the garbage collector to free the memory that was wasted during the processing of the image.