python-completion-complete-at-point

python-completion-complete-at-point is an alias for `python-completion-at-point' in `python.el'.

(python-completion-complete-at-point)

This function is obsolete since 25.1;
use `python-completion-at-point' instead.

Function for `completion-at-point-functions' in `python-mode'.
For this to work as best as possible you should call
`python-shell-send-buffer' from time to time so context in
inferior Python process is updated properly.