Don't misindent 'else:' after 'if re.match:' in Python

* lisp/progmodes/python.el
(python-info-dedenter-opening-block-positions): Check that the
supposed block start is not a method call (bug#62031).

* test/lisp/progmodes/python-tests.el (python-indent-after-re-match):
New test.

Co-authored-by: Lele Gaifax <lele@metapensiero.it>

1 files changed, 3 insertions, 1 deletions

diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index 1f970633bfc..81475f31f60 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -5792,7 +5792,9 @@ likely an invalid python file."
           (catch 'exit
             (while (python-nav--syntactically
                     (lambda ()
-                      (re-search-backward (python-rx block-start) nil t))
+                      (cl-loop for pt = (re-search-backward (python-rx block-start) nil t)
+                               until (memq (char-before) '(nil ?\s ?\t ?\n))
+                               finally return pt))
                     #'<)
               (let ((indentation (current-indentation)))
                 (when (and (not (memq indentation collected-indentations))