From 0868aef516a9cea4bf979e786187b983bf881f26 Mon Sep 17 00:00:00 2001
From: "Augusto F. Hack" <hack.augusto@gmail.com>
Date: Sun, 19 Aug 2018 17:04:55 -0300
Subject: [PATCH] added type check for g:ycm_filetype_blacklist

---
 autoload/youcompleteme.vim | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/autoload/youcompleteme.vim b/autoload/youcompleteme.vim
index f8eadb36..172b4f04 100644
--- a/autoload/youcompleteme.vim
+++ b/autoload/youcompleteme.vim
@@ -403,9 +403,11 @@ function! s:AllowedToCompleteInBuffer( buffer )
     return 0
   endif
 
-  let whitelist_allows = has_key( g:ycm_filetype_whitelist, '*' ) ||
+  let whitelist_allows = type( g:ycm_filetype_whitelist ) != type( {} ) ||
+        \ has_key( g:ycm_filetype_whitelist, '*' ) ||
         \ has_key( g:ycm_filetype_whitelist, buffer_filetype )
-  let blacklist_allows = !has_key( g:ycm_filetype_blacklist, buffer_filetype )
+  let blacklist_allows = type( g:ycm_filetype_blacklist ) != type( {} ) ||
+        \ !has_key( g:ycm_filetype_blacklist, buffer_filetype )
 
   let allowed = whitelist_allows && blacklist_allows
   if allowed