Merge pull request #272 from SchmJo/fix_numpy2

fix for incompatibility with numpy 2

Author: ocefpaf

windrose/windrose.py

@@ -7,7 +7,7 @@
 import matplotlib.pyplot as plt
 import numpy as np
 from matplotlib.projections.polar import PolarAxes
-from numpy.lib.twodim_base import histogram2d
+from numpy import histogram2d
 
 ZBASE = -1000  # The starting zorder for all drawing, negative to have the grid on
 VAR_DEFAULT = "speed"