Python error messages, deoplete seems functional

[arkaragian]

Issue

Receiving the following messages when I start neovim:

[deoplete] '~\Anaconda3\pythonw.exe' is not executable
[deoplete] You need to set g:python3_host_prog'

However the plugin is functional.

Expected

No messages

Environment Information

• deoplete version (SHA1): Latest

• OS: Windows 10

• neovim/Vim :version output:

NVIM v0.4.3
Build type: RelWithDebInfo
LuaJIT 2.0.5
Compilation: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.16.27023/bin/Hostx86/x64/cl.exe /DWIN32 /D_WINDOWS /W3 /MD /Zi /O2 /Ob1 /DNDEBUG -DMIN_LOG_LEVEL=3 /W3 -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE -DWIN32 -D_WIN32_WINNT=0x0600 -DINCLUDE_GENERATED_DECLARATIONS -DNVIM_MSGPACK_HAS_FLOAT32 -DNVIM_UNIBI_HAS_VAR_FROM -IC:/projects/neovim/build/config -IC:/projects/neovim/src -IC:/projects/nvim-deps/usr/include -IC:/projects/neovim/build/src/nvim/auto -IC:/projects/neovim/build/include
Compiled by appveyor@APPVYR-WIN

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

   system vimrc file: "$VIM\sysinit.vim"
  fall-back for $VIM: "C:/Program Files/nvim/share/nvim"

• :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 Python3.6.1+ 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: RelWithDebInfo

## Remote Plugins
  - OK: Up to date

health#provider#check
========================================================================
## Clipboard (optional)
  - OK: Clipboard tool found: win32yank

## 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:
          python2 not found in search path or not executable.
          python2.7 not found in search path or not executable.
          python2.6 not found in search path or not executable.
          python not found in search path or not executable.
  - INFO: Executable: Not found

## Python 3 provider (optional)
  - INFO: Using: g:python3_host_prog = "~\Anaconda3\pythonw.exe"
  - INFO: Executable: C:\Users\aris\Anaconda3\pythonw.exe
  - INFO: Python version: 3.7.4

  - INFO: pynvim version: 0.4.0

  - OK: Latest pynvim is installed.

## Ruby provider (optional)
  - WARNING: `ruby` and `gem` must be in $PATH.
    - ADVICE:
      - Install Ruby and verify that `ruby` and `gem` commands work.

## Node.js provider (optional)
  - INFO: Node.js: v6.11.2

  - WARNING: node.js on this system does not support --inspect-brk so $NVIM_NODE_HOST_DEBUG is ignored.
  - 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!)

et g:python3_host_prog = '~\Anaconda3\pythonw.exe'
call plug#begin('~\AppData\Local\nvim\plugged')
if has('nvim')
    Plug 'Shougo/deoplete.nvim', {'do': ':UpdateRemotePlugins'}
    Plug 'deoplete-plugins/deoplete-jedi'
endif
call plug#end()

call deoplete#enable()

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

1. Install Anaconda Python 2019.10
2. Unzip latest vim to C:\Neovim
3. Open a new file

Screenshot

[Shougo]

You need to expand ~.

let g:python3_host_prog = expand('~\Anaconda3\pythonw.exe')