Matplotlib subplots legend bottom center; does not work in Jupyter but the output is fine

matplotlib_subplots_legend_bottom_center.py

import matplotlib.pyplot as plt
import matplotlib.lines

# matplotlib.rcParams["legend.frameon"] = False # need to set this once to enable styling??? WTF???
titles = ["title 1", "title 2", "title 3", "title 4"]
colors = ['#ffd600', '#f44336', '#43a047', '#1e88e5', '#ab47bc', '#3f51b5', '#f57c00']

# init figure / plot
fig, axes = plt.subplots(1, len(titles), figsize=(5*len(titles) - 3, 5))
for i_t, ax in enumerate(axes):
#     ax.axis("off")
    ax.set_title(titles[i_t], fontsize=22)

# legend elements
elements = [
    matplotlib.lines.Line2D(
        [0],[0], 
        marker='o', 
        color="w", 
        label=m, 
        markerfacecolor=c, 
        markersize=18, 
        linestyle = 'None') 
    for m,c in zip(
        [f"entry {i}" for i in range(7)], 
        colors)]

# legend
legend = fig.legend(
    handles=elements,
    handlelength=0.5,
    fancybox=True,
    framealpha=.8,
    shadow=False,
    borderpad=0.4,
    frameon=True,
    bbox_to_anchor=(0, -0.05, 1, 1),
    loc='lower center',
    fontsize=22,
    ncol=4)
legend.get_frame().set_linewidth(2)
plt.subplots_adjust(left=0.05, right=0.95, bottom=0.25, wspace=.15)

# save figure
plt.savefig("../out/test.png")