Small update in docs/development/howto.rst
@@ -1025,7 +1025,6 @@ rendering of the plot, which can rasie errore as well. Here is a short example:
from gammapy.utils.testing import mpl_plot_check
def test_plot():
- import matplotlib.pyplot as plt
with mpl_plot_check():
plt.plot([1., 2., 3., 4., 5.])
