From f4fc99f9133302075468abe8b4eb5c962a4ae5f1 Mon Sep 17 00:00:00 2001
From: claireyywang <22240514+claireyywang@users.noreply.github.com>
Date: Thu, 21 Jan 2021 14:45:30 -0800
Subject: [PATCH] fix cpplint error

Signed-off-by: claireyywang <22240514+claireyywang@users.noreply.github.com>
---
 dartsim/src/EntityManagementFeatures.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dartsim/src/EntityManagementFeatures.cc b/dartsim/src/EntityManagementFeatures.cc
index 2ca9d27d0..69cc1ff77 100644
--- a/dartsim/src/EntityManagementFeatures.cc
+++ b/dartsim/src/EntityManagementFeatures.cc
@@ -19,6 +19,7 @@
 
 #include <memory>
 #include <string>
+#include <unordered_map>
 
 #include <dart/config.hpp>
 #include <dart/collision/ode/OdeCollisionDetector.hpp>