def labelfn(c, w, h):
if c not in df.index:
return None
x = Image.from_text_bounded(df.name[c], (w, h), 18, papply(arial, bold=True), padding=4, max_width=w, align="center", fg="black")
y = x.replace_color("black", "white", ignore_alpha=True).filter(ImageFilter.BLUR)
return y.place(x)
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