Show many images on a grid like plot

plotutils.py

from matplotlib import pyplot as plt
import numpy as np

def show_many(images, max_rows, max_cols, figsize=(20, 20), titles = None, titles_hspace=.1, plot_title = None):
    fig = plt.figure(figsize=figsize, dpi=300)

    for idx, image in enumerate(images):
        row = idx // max_cols
        col = idx % max_cols

        ax = plt.subplot2grid((max_rows, max_cols), (row, col))
        if titles != None:
            ax.set_title(titles[idx])
        ax.axis("off")
        ax.imshow(image, aspect="auto")
        
    if titles == None:
        plt.subplots_adjust(wspace=.05, hspace=.05)        
    else:
        plt.subplots_adjust(wspace=.05, hspace=titles_hspace)
        
    if plot_title:
        plt.suptitle(plot_title)
        
    plt.show()