I want to plot a

and I want to remove all the 0 labels.

CodePudding user response：

Update

A best version suggested by @BigBen:

labels = [str(v) if v else '' for v in y.containers[0].datavalues]
y.bar_label(y.containers[0], labels=labels)

Try:

labels = []
for p in y.patches:
    h = p.get_height()
    labels.append(str(h) if h else '')

y.bar_label(y.containers[0], labels=labels)