Error with npm while installing Pyright LSP via Mason.nvim on Linux

Question

I was trying to use a Python Lsp in my project to code faster with Neovim. However, I can't install the Pyright Lsp with Mason because there's an error with npm.

    ◍ pyright
      ▶ # [46/46] npm error You can rerun the command with `--loglevel=verbose` to see the logs in your terminal

Specs:

python==3.13.3
npm==11.4.1
node==23.11.1
OS==Archlinux
Kernel==6.14.7-arch2-1
neovim==0.11.1

Mason checkhealth


==============================================================================
mason:                                         require("mason.health").check()

mason.nvim ~
- ✅ OK mason.nvim version v2.0.0
- ✅ OK PATH: prepend
- ✅ OK Providers: 
    mason.providers.registry-api
    mason.providers.client
- ✅ OK neovim version >= 0.10.0

mason.nvim [Registries] ~
- ✅ OK Registry `github.com/mason-org/mason-registry version: 2025-05-31-curly-trust` is installed.

mason.nvim [Core utils] ~
- ✅ OK unzip: `UnZip 6.00 of 20 April 2009, by Info-ZIP.  Maintained by C. Spieler.  Send`
- ✅ OK wget: `GNU Wget 1.25.0, a non-interactive network retriever.`
- ✅ OK curl: `curl 8.14.0 (x86_64-pc-linux-gnu) libcurl/8.14.0 OpenSSL/3.5.0 zlib/1.3.1 brotli/1.1.0 zstd/1.5.7 libidn2/2.3.7 libpsl/0.21.5 libssh2/1.11.1 nghttp2/1.65.0 nghttp3/1.10.1`
- ✅ OK gzip: `gzip 1.14-modified`
- ✅ OK tar: `tar (GNU tar) 1.35`
- ✅ OK bash: `GNU bash, version 5.2.37(1)-release (x86_64-pc-linux-gnu)`
- ✅ OK sh: `Ok`

mason.nvim [Languages] ~
- ⚠️ WARNING luarocks: not available
  - ADVICE:
    - spawn: luarocks failed with exit code - and signal -. Could not find executable "luarocks" in PATH.

- ⚠️ WARNING Ruby: not available
  - ADVICE:
    - spawn: ruby failed with exit code - and signal -. Could not find executable "ruby" in PATH.

- ⚠️ WARNING RubyGem: not available
  - ADVICE:
    - spawn: gem failed with exit code - and signal -. Could not find executable "gem" in PATH.

- ⚠️ WARNING Composer: not available
  - ADVICE:
    - spawn: composer failed with exit code - and signal -. Could not find executable "composer" in PATH.

- ⚠️ WARNING PHP: not available
  - ADVICE:
    - spawn: php failed with exit code - and signal -. Could not find executable "php" in PATH.

- ⚠️ WARNING javac: not available
  - ADVICE:
    - spawn: javac failed with exit code - and signal -. Could not find executable "javac" in PATH.

- ⚠️ WARNING java: not available
  - ADVICE:
    - spawn: java failed with exit code - and signal -. Could not find executable "java" in PATH.

- ⚠️ WARNING julia: not available
  - ADVICE:
    - spawn: julia failed with exit code - and signal -. Could not find executable "julia" in PATH.

- ✅ OK node: `v23.11.1`
- ✅ OK cargo: `cargo 1.86.0 (adf9b6ad1 2025-02-28)`
- ✅ OK Go: `go version go1.24.3 linux/amd64`
- ✅ OK python: `Python 3.13.3`
- ⚠️ WARNING pip: not available
  - ADVICE:
    - spawn: python3 failed with exit code 1 and signal 0. /usr/bin/python3: No module named pip

- ✅ OK python venv: `Ok`
- ✅ OK npm: `11.4.1`

hi, click the ▶ line with your mouse or hit enter and see what it says in the logs. — KamilCuk
– KamilCuk, Commented May 31 at 21:41
@KamilCuk Thanks for the info. I wasn’t aware of this option. In my case, the issue was that my .npm folder was owned by root. Changing ownership with sudo chown -R 1000:1000 "/home/your_user/.npm" fixed the problem — Arthur Negrão
– Arthur Negrão, Commented Jun 1 at 12:49
That's great. I very much doubt that such a solution would be useful to others with similar problem on this forum. It is highly unusual that some directory in your user directory is owned by root. — KamilCuk
– KamilCuk, Commented Jun 1 at 17:32

Arthur Negrão · Accepted Answer · 2025-06-01 12:59:29Z

2

I inspected the logs by clicking the ▶ icon and pressing Enter. One of the log entries showed that my .npm directory was owned by root. I resolved it by changing the ownership with:

sudo chown -R 1000:1000 "/home/my_user/.npm"

That solved the issue.

answered Jun 1 at 12:59

Arthur Negrão

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