Sep 6, 2023 · Sep 6, 2023
diff --git a/lib/matplotlib/contour.py b/lib/matplotlib/contour.py
        self.set_cmap(cmap)
        if norm is not None:
            self.set_norm(norm)
        if vmin is not None:
            self.norm.vmin = vmin
        if vmax is not None:
            self.norm.vmax = vmax
        with self.norm.callbacks.blocked(signal="changed"):
            if vmin is not None:
                self.norm.vmin = vmin
            if vmax is not None:
                self.norm.vmax = vmax
        self.norm._changed()
        self._process_colors()

        if self._paths is None:
Original file line number	Diff line number	Diff line change
Expand Up		@@ -887,10 +887,12 @@ def __init__(self, ax, *args,
		self.set_cmap(cmap)
		if norm is not None:
		self.set_norm(norm)
		if vmin is not None:
		self.norm.vmin = vmin
		if vmax is not None:
		self.norm.vmax = vmax
		with self.norm.callbacks.blocked(signal="changed"):
		if vmin is not None:
		self.norm.vmin = vmin
		if vmax is not None:
		self.norm.vmax = vmax
		self.norm._changed()
		self._process_colors()

		if self._paths is None:
Expand Down