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matplotlibのbackendを変更する

備忘録としてmatplotlibのbackendの変更方法を残しておきます.

現在のbackendを確認する

デフォルトのbackendは,matplotlibrcに記述されています.
matplotlibrcの居場所はpythonを実行して,以下のコマンドを打つことで確認できます.

>>> import matplotlib
>>> matplotlib.matplotlib_fname()

次に,matplotlibrc内で以下のようにbackendが設定されている箇所を探します.

backend      : Qt4Agg

backendを変更する

最後に,matplotlibrcを以下のように変更することでbackendを変更できます.

# backend      : Qt4Agg
backend      : TkAgg
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