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@mrkn
Description
Using with matplotlib 3.6.0, the following error occurs in Matplotlib::IRuby.activate.
PyCall::PyError: <class 'AttributeError'>: module 'matplotlib_rb.backend_inline' has no attribute 'FigureCanvas'
File "/opt/conda/lib/python3.10/site-packages/matplotlib/pyplot.py", line 266, in switch_backend
canvas_class = backend_mod.FigureCanvas
/home/jovyan/.local/share/gem/ruby/3.1.0/gems/matplotlib-1.2.0/lib/matplotlib/iruby.rb:201:in `switch_backend'
/home/jovyan/.local/share/gem/ruby/3.1.0/gems/matplotlib-1.2.0/lib/matplotlib/iruby.rb:201:in `activate_matplotlib'
/home/jovyan/.local/share/gem/ruby/3.1.0/gems/matplotlib-1.2.0/lib/matplotlib/iruby.rb:152:in `enable_matplotlib'
/home/jovyan/.local/share/gem/ruby/3.1.0/gems/matplotlib-1.2.0/lib/matplotlib/iruby.rb:111:in `activate'
(irb):1:in `<top (required)>'