Failing to sort imports with `isort`

[coc.nvim] coc-pyright 1.1.164 with Pyright 1.1.165`

Workspace: /project
Using python from /project/venv/bin/python

[Info  - 2:26:57 PM] Pyright language server 1.1.165 starting
[Info  - 2:26:57 PM] Server root directory: /Users/user/.config/coc/extensions/node_modules/coc-pyright/node_modules/pyright/dist/
[Info  - 2:26:57 PM] No configuration file found.
[Info  - 2:26:57 PM] No pyproject.toml file found.
[Info  - 2:26:57 PM] Setting pythonPath for service "main": "/project/venv/bin/python"
[Warn  - 2:26:57 PM] stubPath /project/typings is not a valid directory.
[Info  - 2:26:57 PM] Assuming Python version 3.9
[Info  - 2:26:57 PM] Assuming Python platform Darwin
[Info  - 2:26:57 PM] Searching for source files
[Info  - 2:26:57 PM] Auto-excluding /project/venv
[Info  - 2:26:57 PM] Found 3 source files
########## isort Output ##########
Error from isort:
Traceback (most recent call last):
  File "/Users/user/.config/coc/extensions/node_modules/coc-pyright/pythonFiles/sortImports.py", line 11, in <module>
    import isort.main
ModuleNotFoundError: No module named 'isort'

########## isort Output ##########
Error from isort:
Traceback (most recent call last):
  File "/Users/user/.config/coc/extensions/node_modules/coc-pyright/pythonFiles/sortImports.py", line 11, in <module>
    import isort.main
ModuleNotFoundError: No module named 'isort'

########## isort Output ##########
Error from isort:
Traceback (most recent call last):
  File "/Users/user/.config/coc/extensions/node_modules/coc-pyright/pythonFiles/sortImports.py", line 11, in <module>
    import isort.main
ModuleNotFoundError: No module named 'isort'

Getting an error: [coc.nvim] Failed to format import by isort when running :CocCommand python.sortImports

The error is not expected because isort exists and works within the project’s virtual environment:

$ which isort
/project/venv/bin/isort

$ isort .
Fixing /project/main.py

[yaegassy]

@hexcowboy Please set the value of python.sortImports.args as array, not as “string”.

{
  // ...snip
  "python.sortImports.args": ["--profile", "black"]
  // ...snip
}

[hexcowboy]

Reopening because this issue is still persisting and I was able to reproduce it in a VM.

Reproduce:

1. Fresh install neovim and vim-plug
2. Create the ~/.config/init.vim with the following contents

call plug#begin(stdpath('data') . '/plugged')
Plug 'neoclide/coc.nvim', {'branch': 'release'}
call plug#end()

1. Run :PlugInstall
2. Install coc-pyright with :CocInstall coc-pyright
3. Write the following config to ~/.config/nvim/coc-settings.json

{
  "pyright.organizeimports.provider": "isort",
  "python.sortImports.args": "--profile black"
}

1. Create a virtual environment and activate it

$ python3 -m venv venv
$ source venv/bin/activate
(venv) $ pip install isort
(venv) $ python --version && isort --version
Python 3.9.7
isort 5.9.3

1. Open NeoVim with a Python file (sample fiile)

from typing import Literal
import os

1. Run :CocCommand python.sortImports