From 030eae3befe637881aea341a806efd244bd6c978 Mon Sep 17 00:00:00 2001
From: Hans Dembinski <hans.dembinski@gmail.com>
Date: Sat, 7 May 2016 10:26:58 -0400
Subject: [PATCH] fix warning

---
 src/python/axis.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/python/axis.cpp b/src/python/axis.cpp
index 30647a70..18edf36c 100644
--- a/src/python/axis.cpp
+++ b/src/python/axis.cpp
@@ -85,19 +85,19 @@ category_axis_init(python::tuple args, python::dict kwargs) {
 }
 
 template <typename T>
-unsigned
+int
 axis_len(const T& t) {
     return t.bins() + 1;
 }
 
 template <>
-unsigned
+int
 axis_len(const category_axis& t) {
     return t.bins();
 }
 
 template <>
-unsigned
+int
 axis_len(const integer_axis& t) {
     return t.bins();
 }