How do you automatically remove the preview window after autocompletion in Vim?

Question

I\'m using omnifunc=pythoncomplete. When autocompleting a word (e.g., os.), I get the list of eligible class members and functions, as

Answer 1

You could throw in the following mappings to have certain keys try to close the preview window.

inoremap  :wincmd z
inoremap ( :wincmd z(
inoremap ) :wincmd z)
inoremap , :wincmd z,
inoremap  :wincmd z
inoremap  :wincmd z

You could also use autocommands to close the preview window when you're finished in insert mode:

augroup GoAwayPreviewWindow
autocmd! InsertLeave * wincmd z
augroup end