import numpy as np

import matplotlib.pyplot as plt

def test_stem_remove():

ax = plt.gca()

st = ax.stem([1, 2], [1, 2])

st.remove()

def test_errorbar_remove():

# Regression test for a bug that caused remove to fail when using

# fmt='none'

ax = plt.gca()

eb = ax.errorbar([1], [1])

eb.remove()

eb = ax.errorbar([1], [1], xerr=1)

eb.remove()

eb = ax.errorbar([1], [1], yerr=2)

eb.remove()

eb = ax.errorbar([1], [1], xerr=[2], yerr=2)

eb.remove()

eb = ax.errorbar([1], [1], fmt='none')

eb.remove()

def test_nonstring_label():

# Test for #26824

plt.bar(np.arange(10), np.random.rand(10), label=1)

plt.legend()