python-guess-indent

python-guess-indent is a variable defined in `python.el'.
Its value is

t

• This variable is an alias for `python-indent-guess-indent-offset'.
• This variable is obsolete since 24.3;
  use `python-indent-guess-indent-offset' instead.

Documentation:
Non-nil tells Python mode to guess `python-indent-offset' value.

You can customize this variable.