From 639854a6a0b2ef76627741bb26b76297c44cf055 Mon Sep 17 00:00:00 2001
From: Duy-Nguyen Ta <thduynguyen@gmail.com>
Date: Sun, 13 Nov 2016 23:54:57 -0500
Subject: [PATCH] enable KeyVector keys() for NonlinearFactor

---
 cython/gtsam.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cython/gtsam.h b/cython/gtsam.h
index 9924eafad..965c08108 100644
--- a/cython/gtsam.h
+++ b/cython/gtsam.h
@@ -1705,7 +1705,7 @@ class Values {
 virtual class NonlinearFactor {
   // Factor base class
   size_t size() const;
-  // gtsam::KeyVector keys() const;
+  gtsam::KeyVector keys() const;
   void print(string s) const;
   void printKeys(string s) const;
   // NonlinearFactor