* progmodes/python.el (python-indent-context): Fix

* progmodes/python.el (python-indent-context): Fix
python-info-line-ends-backslash-p call.
(python-info-line-ends-backslash-p)
(python-info-beginning-of-backslash): Respect line-number
argument.
(python-info-current-line-comment-p): Fix behavior when not at
beginning-of-line.
(python-util-position): Remove function.
(python-util-goto-line): New function.