bug#71170: 30.0.50; hs-hide-all in python mode not works as expected

[lorniu]

Maybe patch like this can avoid too much newlines between hidden blocks.

diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index 79e383a1c1a..26546df13c4 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -5734,7 +5734,12 @@ python-describe-at-point
 (defun python-hideshow-forward-sexp-function (_arg)
   "Python specific `forward-sexp' function for `hs-minor-mode'.
 Argument ARG is ignored."
-  (python-nav-end-of-block))
+  (python-nav-end-of-block)
+  (end-of-line)
+  (let ((pt (point)))
+    (skip-chars-forward " \n\t")
+    (re-search-backward "\n\n" nil t)
+    (when (< (point) pt) (goto-char pt))))

-- 
Mess.