[Python] matplotlib: y axis format refuses to go scientific

I attempted to change the format of the matplotlib plot axis labels to scientific using the Axes.ticklabel_format function described in (https://matplotlib.org/stable/api/_as_gen/matplotlib.axes.Axes.ticklabel_format.html). With the following toy code

import numpy as np
import matplotlib.pyplot as plt

# Data...
T = np.arange(0, 101, 0.01)

R_e = 1.68799673810490
R = np.sin(T) + R_e

# Plotting figure
fig, ax = plt.subplots(1, 1)
ax.plot(T, R)

# Attempting to set scientific format for both axes
ax.ticklabel_format(axis = 'both', style = 'scientific', scilimits = (0, 0))

# Save figure
plt.savefig('Test.png', format = 'png')


I expected it to change both the x and y axis. It only changes the x axis. Any help would be appreciated!

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