Matplotlib: How to force integer tick labels?

Question

My python script uses matplotlib to plot a 2D \"heat map\" of an x, y, z dataset. My x- and y-values represent amino acid residues in a protein and can therefore only be int

Answer 1

This should be simpler:

(from https://scivision.co/matplotlib-force-integer-labeling-of-axis/)

import matplotlib.pyplot as plt
from matplotlib.ticker import MaxNLocator
#...
ax = plt.figure().gca()
#...
ax.xaxis.set_major_locator(MaxNLocator(integer=True))