Problem with autocompletion: =jedi#complete_opened(0) -- Omni completion (^O^N^P) Pattern not found

Issue

The completion works fine for python standard library modules. But when I, for instance, try:

import numpy as np
np. (then pressing CTRL + Space)

I get the following error message:

=jedi#complete_opened(0) -- Omni completion (^O^N^P) Pattern not found 

Jedi-vim debug information

Using Python version: 3

• sys.version: 3.5.2 (default, Nov 17 2016, 17:05:23), [GCC 5.4.0 20160609]
• site module: /usr/lib/python3.5/site.py Jedi path: /home/myname/.vim/bundle/jedi-vim/jedi/jedi/__init__.py
• version: 0.10.0
• sys_path:
  • /home/myname/.vim/bundle/jedi-vim
  • /usr/lib/python35.zip
  • /usr/lib/python3.5
  • /usr/lib/python3.5/plat-x86_64-linux-gnu
  • /usr/lib/python3.5/lib-dynload
  • /usr/local/lib/python3.5/dist-packages
  • /usr/lib/python3/dist-packages
  • _vim_path_
• jedi-vim git version: 0.8.0-74-g2ee9ec6
• jedi git submodule status: 70200861661a921016563717487c1ced9993acdb jedi (v0.10.0)

Settings

g:use_splits_not_buffers = 'right' (default: 1)
g:popup_on_dot = 0 (default: 1)


  omnifunc=jedi#completions
	Last set from ~/.vim/bundle/jedi-vim/after/ftplugin/python/jedi.vim
  completeopt=menuone,longest,preview
	Last set from ~/.vim/bundle/jedi-vim/plugin/jedi.vim

:version

VIM - Vi IMproved 7.4 (2013 Aug 10, compiled Nov 24 2016 16:44:48)
Included patches: 1-1689
Extra patches: 8.0.0056
Modified by [e-mail]
Compiled by [e-mail]
Huge version with GTK3 GUI.  Features included (+) or not (-):
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+arabic          +file_in_path    +mouse_sgr       +tag_old_static
+autocmd         +find_in_path    -mouse_sysmouse  -tag_any_white
+balloon_eval    +float           +mouse_urxvt     +tcl
+browse          +folding         +mouse_xterm     +terminfo
++builtin_terms  -footer          +multi_byte      +termresponse
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+channel         +gettext         -mzscheme        +timers
+cindent         -hangul_input    +netbeans_intg   +title
+clientserver    +iconv           +packages        +toolbar
+clipboard       +insert_expand   +path_extra      +user_commands
+cmdline_compl   +job             +perl            +vertsplit
+cmdline_hist    +jumplist        +persistent_undo +virtualedit
+cmdline_info    +keymap          +postscript      +visual
+comments        +langmap         +printer         +visualextra
+conceal         +libcall         +profile         +viminfo
+cryptv          +linebreak       -python          +vreplace
+cscope          +lispindent      +python3         +wildignore
+cursorbind      +listcmds        +quickfix        +wildmenu
+cursorshape     +localmap        +reltime         +windows
+dialog_con_gui  +lua             +rightleft       +writebackup
+diff            +menu            +ruby            +X11
+digraphs        +mksession       +scrollbind      -xfontset
+dnd             +modify_fname    +signs           +xim
-ebcdic          +mouse           +smartindent     +xsmp_interact
+emacs_tags      +mouseshape      +startuptime     +xterm_clipboard
+eval            +mouse_dec       +statusline      -xterm_save
+ex_extra        +mouse_gpm       -sun_workshop    +xpm
+extra_search    -mouse_jsbterm   +syntax          
   system vimrc file: "$VIM/vimrc"
     user vimrc file: "$HOME/.vimrc"
 2nd user vimrc file: "~/.vim/vimrc"
      user exrc file: "$HOME/.exrc"
  system gvimrc file: "$VIM/gvimrc"
    user gvimrc file: "$HOME/.gvimrc"
2nd user gvimrc file: "~/.vim/gvimrc"
    system menu file: "$VIMRUNTIME/menu.vim"
  fall-back for $VIM: "/usr/share/vim"
Compilation: gcc -c -I. -Iproto -DHAVE_CONFIG_H -DFEAT_GUI_GTK  -pthread -I/usr/include/gtk-3.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/at-spi-2.0 -I/usr/include/dbus-1.0 -I/usr/lib/x86_64-linux-gnu/dbus-1.0/include -I/usr/include/gtk-3.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/mirclient -I/usr/include/mircommon -I/usr/include/mircookie -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0 -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng12 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libpng12 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -Wdate-time  -g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1      
Linking: gcc   -L. -Wl,-Bsymbolic-functions -Wl,-z,relro -fstack-protector -rdynamic -Wl,-export-dynamic -Wl,-E  -Wl,-Bsymbolic-functions -fPIE -pie -Wl,-z,relro -Wl,-z,now -Wl,--as-needed -o vim   -lgtk-3 -lgdk-3 -lpangocairo-1.0 -lpango-1.0 -latk-1.0 -lcairo-gobject -lcairo -lgdk_pixbuf-2.0 -lgio-2.0 -lgobject-2.0 -lglib-2.0 -lSM -lICE -lXpm -lXt -lX11 -lXdmcp -lSM -lICE  -lm -ltinfo -lnsl  -lselinux  -lacl -lattr -lgpm -ldl  -L/usr/lib -llua5.2 -Wl,-E  -fstack-protector-strong -L/usr/local/lib  -L/usr/lib/x86_64-linux-gnu/perl/5.22/CORE -lperl -ldl -lm -lpthread -lcrypt  -L/usr/lib/python3.5/config-3.5m-x86_64-linux-gnu -lpython3.5m -lpthread -ldl -lutil -lm -L/usr/lib/x86_64-linux-gnu -ltcl8.6 -ldl -lz -lpthread -lieee -lm -lruby-2.3 -lpthread -lgmp -ldl -lcrypt -lm     

:messages

Messages maintainer: Bram Moolenaar <[e-mail]>
E325: ATTENTION
"jeditest.py" [readonly] 2L, 23C
W10: Warning: Changing a readonly file

:scriptnames

  1: ~/.vimrc
  2: /usr/share/vim/vim74/ftoff.vim
  3: ~/.vim/bundle/Vundle.vim/autoload/vundle.vim
  4: ~/.vim/bundle/Vundle.vim/autoload/vundle/config.vim
  5: /usr/share/vim/vim74/filetype.vim
  6: ~/.vim/bundle/ultisnips/ftdetect/snippets.vim
  7: /usr/share/vim/vim74/ftplugin.vim
  8: /usr/share/vim/vim74/indent.vim
  9: ~/.vim/bundle/gruvbox/colors/gruvbox.vim
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[zotroneneis]

@blueyed Thanks for your help. I ended up installing neovim and now everything works out fine out of the box!

[blueyed]

FWIW: the example should be numpy. and not np. in the 2nd line?! I am seeing -- Omni completion (^O^N^P) Pattern not found with np. - and not the =jedi#complete_opened(0) before it.