add missing use

bobeagan · bobeagan · commit 574a92705f00 · 2017-04-14T16:09:27.000-07:00
diff --git a/lib/Github/Api/PullRequest.php b/lib/Github/Api/PullRequest.php
@@ -5,6 +5,7 @@
 use Github\Api\PullRequest\Comments;
 use Github\Api\PullRequest\Review;
 use Github\Api\PullRequest\ReviewRequest;
+use Github\Exception\InvalidArgumentException;
 use Github\Exception\MissingArgumentException;
 
 /**
