http://stackoverflow.com/questions/22843891/turn-off-auto-closing-parentheses-in-ipython IPython Notebookの自動カッコ補完を無効にするには、 ~/.ipython/profile_default/static/custom/custom.js に次を書き加えば良い: if (IPython.CodeCell) { IPython.CodeCell.options_default.cm_config.autoCloseBrackets = false; }