Make Python evaluation work more reliably

* lisp/progmodes/python.el (python-shell-buffer-substring): Make
more regions valid Python code (bug#55174).

Copyright-paperwork-exempt: yes

1 files changed, 3 insertions, 15 deletions

diff --git a/test/lisp/progmodes/python-tests.el b/test/lisp/progmodes/python-tests.el
index 1a6a7dc176d..01b233cc425 100644
--- a/test/lisp/progmodes/python-tests.el
+++ b/test/lisp/progmodes/python-tests.el
@@ -3503,10 +3503,7 @@ def foo():
    (should (string= (python-shell-buffer-substring
                      (python-tests-look-at "print ('a')")
                      (point-max))
-                    "if True:
-
-    print ('a')
-"))))
+                    "# -*- coding: utf-8 -*-\nif True:\n    print ('a')\n\n"))))
 
 (ert-deftest python-shell-buffer-substring-11 ()
   "Check substring from partial block and point within indentation."
@@ -3521,10 +3518,7 @@ def foo():
                        (backward-char 1)
                        (point))
                      (point-max))
-                    "if True:
-
-    print ('a')
-"))))
+                    "# -*- coding: utf-8 -*-\nif True:\n    print ('a')\n\n"))))
 
 (ert-deftest python-shell-buffer-substring-12 ()
   "Check substring from partial block and point in whitespace."
@@ -3539,13 +3533,7 @@ def foo():
    (should (string= (python-shell-buffer-substring
                      (python-tests-look-at "# Whitespace")
                      (point-max))
-                    "if True:
-
-
-        # Whitespace
-
-    print ('a')
-"))))
+                    "# -*- coding: utf-8 -*-\n\nif True:\n        # Whitespace\n\n    print ('a')\n\n"))))