diff --git a/lib/matplotlib/pyplot.py b/lib/matplotlib/pyplot.py
index f11d66844a4c..93fdf6400b3b 100644
--- a/lib/matplotlib/pyplot.py
+++ b/lib/matplotlib/pyplot.py
@@ -263,7 +263,6 @@ def switch_backend(newbackend):
backend_mod = importlib.import_module(
cbook._backend_module_name(newbackend))
- canvas_class = backend_mod.FigureCanvas
required_framework = _get_required_interactive_framework(backend_mod)
if required_framework is not None:
@@ -293,6 +292,8 @@ class backend_mod(matplotlib.backend_bases._Backend):
# also update backend_mod accordingly; also, per-backend customization of
# draw_if_interactive is disabled.
if new_figure_manager is None:
+ # only try to get the canvas class if have opted into the new scheme
+ canvas_class = backend_mod.FigureCanvas
def new_figure_manager_given_figure(num, figure):
return canvas_class.new_manager(figure, num)
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