在比例matplotlib上禁用科学记数法

import matplotlib.pyplot as plt
import matplotlib.ticker as ticker

fig, ax = plt.subplots()

x = [1, 2, 3, 4, 5]
y = [1000000, 2000000, 3000000, 4000000, 5000000]
ax.plot(x, y)

ax.xaxis.set_major_formatter(ticker.FuncFormatter(lambda x, pos: format(int(x), ',')))
ax.yaxis.set_major_formatter(ticker.FuncFormatter(lambda x, pos: format(int(x), ',')))

plt.show()