Numpy pcolormesh: TypeError: C的维度与X和/或Y不兼容。

This code:

这段代码:

xedges = np.arange(self.min_spread - 0.5, self.max_spread + 1.5)
yedges = np.arange(self.min_span - 0.5, self.max_span + 1.5)
h, xe, ye = np.histogram2d(
    self.spread_values
    , self.span_values
    , [xedges, yedges]
)
fig = plt.figure(figsize=(7,3))
ax = fig.add_subplot(111)
x, y = np.meshgrid(xedges, yedges)
ax.pcolormesh(x, y, h)
xedges = np.arange(self.mi