From 296c937ca83af7ced0301da06d38a09b1ec19a65 Mon Sep 17 00:00:00 2001
From: roderick-koehle <50633232+roderick-koehle@users.noreply.github.com>
Date: Thu, 28 Oct 2021 15:55:25 +0200
Subject: [PATCH] Fix calling scaling_factor static method.

---
 python/gtsam/tests/test_Cal3Fisheye.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/python/gtsam/tests/test_Cal3Fisheye.py b/python/gtsam/tests/test_Cal3Fisheye.py
index 6bdaa5a12..e54afc757 100644
--- a/python/gtsam/tests/test_Cal3Fisheye.py
+++ b/python/gtsam/tests/test_Cal3Fisheye.py
@@ -148,12 +148,12 @@ class TestCal3Fisheye(GtsamTestCase):
         s = np.arctan(r) / r
         self.assertEqual(s, 1.0)
         z = 1
-        s = scaling_factor(r, z)
+        s = self.scaling_factor(r, z)
         self.assertEqual(s, 1.0/z)
         z = 2
-        s = scaling_factor(r, z)
+        s = self.scaling_factor(r, z)
         self.assertEqual(s, 1.0/z)
-        s = scaling_factor(2*r, z)
+        s = self.scaling_factor(2*r, z)
         self.assertEqual(s, 1.0/z)
 
     @staticmethod