From a862795e1acf5010141939a11a33a694f6fe024e Mon Sep 17 00:00:00 2001
From: Bryan Forbes <bryan@reigndropsfall.net>
Date: Mon, 4 Feb 2019 21:08:06 -0600
Subject: [PATCH] Format pyi files correctly (#599)

---
 plugin/black.vim | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/plugin/black.vim b/plugin/black.vim
index 0a26aa0..34f30c5 100644
--- a/plugin/black.vim
+++ b/plugin/black.vim
@@ -102,6 +102,8 @@ def Black():
   mode = black.FileMode.AUTO_DETECT
   if bool(int(vim.eval("g:black_skip_string_normalization"))):
     mode |= black.FileMode.NO_STRING_NORMALIZATION
+  if vim.current.buffer.name.endswith('.pyi'):
+    mode |= black.FileMode.PYI
   buffer_str = '\n'.join(vim.current.buffer) + '\n'
   try:
     new_buffer_str = black.format_file_contents(buffer_str, line_length=line_length, fast=fast, mode=mode)
-- 
2.39.2