Addresses #174 Neovim Error (#197)

Neovim uses stdout for `msgpack` communication and the `subprocess` call for `virtualenv` was leaking that stream. Fix is to attach to a `subprocess.PIPE`.

diff --git a/plugin/black.vim b/plugin/black.vim
index 9cf5f2dc69bb9fa8261a941591c04362a9058e5a..c5c663c44067917ae649576bc8fa06c351e35578 100644 (file)
--- a/plugin/black.vim
+++ b/plugin/black.vim
@@ -78,7 +78,7 @@ def _initialize_black_env(upgrade=False):
   if upgrade:
     print('Upgrading Black with pip...')
   if first_install or upgrade:
-    subprocess.run([str(_get_pip(virtualenv_path)), 'install', '-U', 'black'])
+    subprocess.run([str(_get_pip(virtualenv_path)), 'install', '-U', 'black'], stdout=subprocess.PIPE)
     print('DONE! You are all set, thanks for waiting ✨ 🍰 ✨')
   if first_install:
     print('Pro-tip: to upgrade Black in the future, use the :BlackUpgrade command and restart Vim.\n')