Tweak how `C-c C-r' computes the region in python-mode

* lisp/progmodes/python.el (python-shell-buffer-substring): Don't
extend the region to the start of the line (bug#39398), but allow
sending the actual region as marked.

1 files changed, 1 insertions, 5 deletions

diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index 0487964d815..53542a75f58 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -3138,11 +3138,7 @@ the python shell:
      coding cookie is added.
   4. Wraps indented regions under an \"if True:\" block so the
      interpreter evaluates them correctly."
-  (let* ((start (save-excursion
-                  ;; Normalize start to the line beginning position.
-                  (goto-char start)
-                  (line-beginning-position)))
-         (substring (buffer-substring-no-properties start end))
+  (let* ((substring (buffer-substring-no-properties start end))
          (starts-at-point-min-p (save-restriction
                                   (widen)
                                   (= (point-min) start)))