run-python: Make the buffer running python current

* lisp/progmodes/python.el (run-python, python-shell-make-comint):
Make the buffer running the inferior python process the current buffer
(Bug#31398).
* test/lisp/progmodes/python-tests.el (python-tests--bug31398):
Add test.

1 files changed, 6 insertions, 4 deletions

diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index 32d645cfcc9..a09ca2f2f29 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -2842,10 +2842,12 @@ process buffer for a list of commands.)"
         (y-or-n-p "Make dedicated process? ")
         (= (prefix-numeric-value current-prefix-arg) 4))
      (list (python-shell-calculate-command) nil t)))
-  (get-buffer-process
-   (python-shell-make-comint
-    (or cmd (python-shell-calculate-command))
-    (python-shell-get-process-name dedicated) show)))
+  (let ((buffer
+         (python-shell-make-comint
+          (or cmd (python-shell-calculate-command))
+          (python-shell-get-process-name dedicated) show)))
+    (pop-to-buffer buffer)
+    (get-buffer-process buffer)))
 
 (defun run-python-internal ()
   "Run an inferior Internal Python process.