Send current buffer to a freshly made python shell

python-run.el

(defun y:python-run ()
  (interactive)
  (let* ((dedicated-proc-name (python-shell-get-process-name t))
         (dedicated-proc-buffer-name (format "*%s*" dedicated-proc-name))
         (dedicated-running (comint-check-proc dedicated-proc-buffer-name)))
    ;; If there's already a python shell running for this buffer, kill it
    (when dedicated-running
      (let* ((process (python-shell-get-or-create-process))
             (buffer (process-buffer process)))
        (set-process-query-on-exit-flag process nil)
        (kill-buffer buffer)))
    ;; Start new python shell
    (run-python python-shell-interpreter t)
    (python-shell-send-buffer t)))