From 1bc1803628e5b74d813d2db46ffd0756d6c582f3 Mon Sep 17 00:00:00 2001
From: Arfon Smith <arfon@github.com>
Date: Thu, 5 Mar 2015 12:50:12 -0600
Subject: [PATCH] Check for block here too

---
 lib/linguist.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/linguist.rb b/lib/linguist.rb
index 4419ff5b..3929efb9 100644
--- a/lib/linguist.rb
+++ b/lib/linguist.rb
@@ -14,7 +14,7 @@ class << Linguist
     if instrumenter
       instrumenter.instrument(*args, &bk)
     else
-      yield
+      yield if block_given?
     end
   end
 end