`py-beginning-of-paragraph-position', `py-end-of-paragraph-position',

`py-help-at-point' fixed
`py-shell-manage-windows', lp:1273902

`py-split-windows-on-execute-function' not buffer-local any more
doku updated
py-electric-yank-active-p, default nil
   When non-nil, yank will be followed by an indent-according-to-mode.
Provide missing variables