Problems summary

After updating deoplete to the latest version, i started getting the following error, when i go into insert mode and trigger the completion, from the tag source:

[deoplete] Traceback (most recent call last):
  File "/home/pierre/.vim/plugged/deoplete.nvim/rplugin/python3/deoplete/child.py", line 203, in _gather_results
    result = self._get_result(context, source)
  File "/home/pierre/.vim/plugged/deoplete.nvim/rplugin/python3/deoplete/child.py", line 265, in _get_result
    ctx['candidates'] = source.gather_candidates(ctx)
  File "/home/pierre/.vim/plugged/deoplete-tag/rplugin/python3/deoplete/source/tag.py", line 27, in gather_candidates
    case = context['smartcase'] or context['camelcase']
KeyError: 'smartcase'
Error from tag: 'smartcase'  Use :messages / see above for error details.

Expected

No error message.

Environment Information

deoplete version (SHA1): ce318f573c2c304536ddc954b4afc894c4cb57b2
OS: Linux 5.12.8-artix1-1 #1 SMP PREEMPT Fri, 28 May 2021 22:51:03 +0000 x86_64 unknown unknown GNU/Linux
neovim/Vim :version output:

NVIM v0.4.4
Build type: Release
LuaJIT 2.0.5
Compilation: /usr/bin/cc -D_FORTIFY_SOURCE=2 -march=x86-64 -mtune=generic -O2 -pipe -fno-plt -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1 -O2 -DNDEBUG -DMIN_LOG_LEVEL=3 -Wall -Wextra -pedantic -Wno-unused-parameter -Wstrict-prototypes -std=gnu99 -Wshadow -Wconversion -Wmissing-prototypes -Wimplicit-fallthrough -Wvla -fstack-protector-strong -fno-common -fdiagnostics-color=always -DINCLUDE_GENERATED_DECLARATIONS -D_GNU_SOURCE -DNVIM_MSGPACK_HAS_FLOAT32 -DNVIM_UNIBI_HAS_VAR_FROM -I/build/neovim/src/build/config -I/build/neovim/src/neovim-0.4.4/src -I/usr/include -I/build/neovim/src/build/src/nvim/auto -I/build/neovim/src/build/include
Compiled by builduser

Features: +acl +iconv +tui
See ":help feature-compile"

   system vimrc file: "$VIM/sysinit.vim"
  fall-back for $VIM: "/usr/share/nvim"

Run :checkhealth for more info

:checkhealth or :CheckHealth result(neovim only):


health#deoplete#check
========================================================================
## deoplete.nvim
- OK: exists("v:t_list") was successful
- OK: has("timers") was successful
- OK: has("python3") was successful
- OK: Require Python 3.6.1+ was successful
- OK: Require msgpack 1.0.0+ was successful
- INFO: If you're still having problems, try the following commands:
- $ export NVIM_PYTHON_LOG_FILE=/tmp/log
- $ export NVIM_PYTHON_LOG_LEVEL=DEBUG
- $ nvim
- $ cat /tmp/log_{PID}
- and then create an issue on github

health#nvim#check

Configuration

OK: no issues found

Performance

OK: Build type: Release

Remote Plugins

OK: Up to date

terminal

INFO: key_backspace (kbs) terminfo entry: key_backspace=\177
INFO: key_dc (kdch1) terminfo entry: key_dc=\E[3~
INFO: $COLORTERM='truecolor'

health#provider#check

Clipboard (optional)

OK: Clipboard tool found: xclip

Python 2 provider (optional)

WARNING: No Python executable found that can import neovim. Using the first available executable for diagnostics.
ERROR: Python provider error:
- ADVICE:
  - provider/pythonx: Could not load Python 2: /usr/bin/python2 does not have the "neovim" module. :help |provider-python| /usr/bin/python2.7 does not have the "neovim" module. :help |provider-python| python2.6 not found in search path or not executable. /usr/bin/python is Python 3.9 and cannot provide Python 2.
INFO: Executable: Not found

Python 3 provider (optional)

INFO: g:python3_host_prog is not set. Searching for python3 in the environment.
INFO: Executable: /usr/bin/python3
INFO: Python version: 3.9.5
INFO: pynvim version: 0.4.3
OK: Latest pynvim is installed.

Ruby provider (optional)

INFO: Ruby: ruby 3.0.1p64 (2021-04-05 revision 0fb782ee38) [x86_64-linux]
WARNING: neovim-ruby-host not found.
- ADVICE:
  - Run gem install neovim to ensure the neovim RubyGem is installed.
  - Run gem environment to ensure the gem bin directory is in $PATH.
  - If you are using rvm/rbenv/chruby, try "rehashing".
  - See :help |g:ruby_host_prog| for non-standard gem installations.

Node.js provider (optional)

INFO: Node.js: v16.2.0
WARNING: Missing "neovim" npm (or yarn) package.
- ADVICE:
  - Run in shell: npm install -g neovim
  - Run in shell (if you use yarn): yarn global add neovim


## Provide a minimal init.vim/vimrc with less than 50 lines (Required!)

call plug#begin('~/.vim/plugged') if has('nvim') Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' } else Plug 'Shougo/deoplete.nvim' Plug 'roxma/nvim-yarp' Plug 'roxma/vim-hug-neovim-rpc' endif Plug 'deoplete-plugins/deoplete-tag' call plug#end()

let g:deoplete#enable_at_startup = 1



## How to reproduce the problem from neovim/Vim startup (Required!)

 1. nvim
 2. enter insert mode, type 2 characters

## Generate a logfile if appropriate

 1. export NVIM_PYTHON_LOG_FILE=/tmp/log
 2. export NVIM_PYTHON_LOG_LEVEL=DEBUG
 3. nvim -u minimal.vimrc
 4. some works
 5. cat /tmp/log_{PID}

[log_py3_rplugin.txt](https://github.com/Shougo/deoplete.nvim/files/6568296/log_py3_rplugin.txt)

## Screenshot (if possible)

## Upload the log file

Shougo / deoplete.nvim

Error from tag: 'smartcase' #1183