Remove use of pylab.poly_between (#114)

Author: petebachant

windrose/windrose.py

@@ -11,7 +11,6 @@
 from matplotlib.projections.polar import PolarAxes
 from numpy.lib.twodim_base import histogram2d
 import matplotlib.pyplot as plt
-from pylab import poly_between
 
 ZBASE = -1000  # The starting zorder for all drawing, negative to have the grid on
 VAR_DEFAULT = "speed"
@@ -504,15 +503,9 @@ def contourf(self, direction, var, **kwargs):
             val = vals[i, :] + offset
             offset += vals[i, :]
             zorder = ZBASE + nbins - i
-            xs, ys = poly_between(angles, 0, val)
-            patch = self.fill(
-                xs,
-                ys,
-                facecolor=colors[i],
-                edgecolor=colors[i],
-                zorder=zorder,
-                **kwargs
-            )
+            patch = self.fill(np.append(angles, 0), np.append(val, 0),
+                              facecolor=colors[i], edgecolor=colors[i],
+                              zorder=zorder, **kwargs)
             self.patches_list.extend(patch)
         self._update()