Flat index with python imenu

modules/prelude-python.el

@@ -81,6 +81,9 @@
               '((?: . (lambda ()
                         (if (python-info-statement-starts-block-p)
                             'after)))))
+  (when (fboundp #'python-imenu-create-flat-index)
+    (setq-local imenu-create-index-function
+                #'python-imenu-create-flat-index))
   (electric-layout-mode +1)
   (add-hook 'after-save-hook 'prelude-python-mode-set-encoding nil 'local))