wish helps you I know it might not be the answer you're looking for, but I'm using klen/python-mode plugin with rope included and it's working like a charm. I'm also using Vim-Plug to manage my plugins and it's as easy as:
I think the issue was by ths following , I e-mailed the author directly and he gave me a helpful response. The highlight pyflakes uses for errors is SpellBad. He also gave me a couple of examples which I will share:
highlight SpellBad term=reverse ctermbg=1
highlight SpellBad term=underline gui=undercurl guisp=Orange
Any pointers on using Ropevim? Is it a usable library?
may help you . The documentation you found only shows the Vim particulars. If you want to see what those rope functions can do, see the rope documentation. Note, it's incomplete and points to the unittests for a full overview of what it can do.
How to load ropevim only when editing Python files
This might help you What does :map shows? What does :imap shows for Ctrl-]? I have this in my ~/.vimrc:
let ropevim_autoimport_modules = ["os.*","traceback", "xml.etree"]
"imap <c-space> <C-R>=RopeCodeAssistInsertMode()<CR>
au FileType python
\ noremap <silent> <buffer> <C-]> :RopeGotoDefinition<CR>