From d6fdafb203560dc3fbb905e065b2b9cb478b0127 Mon Sep 17 00:00:00 2001
From: Jason Rhinelander <jason@imaginary.ca>
Date: Sun, 26 Mar 2017 12:43:22 -0300
Subject: [PATCH] Fix unchecked type caster template Dim type

---
 include/pybind11/numpy.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/pybind11/numpy.h b/include/pybind11/numpy.h
index 3227a12e..146dba43 100644
--- a/include/pybind11/numpy.h
+++ b/include/pybind11/numpy.h
@@ -340,11 +340,11 @@ public:
     template <typename... Ix> T *mutable_data(Ix... ix) { return &operator()(size_t(ix)...); }
 };
 
-template <typename T, size_t Dim>
+template <typename T, ssize_t Dim>
 struct type_caster<unchecked_reference<T, Dim>> {
     static_assert(Dim == 0 && Dim > 0 /* always fail */, "unchecked array proxy object is not castable");
 };
-template <typename T, size_t Dim>
+template <typename T, ssize_t Dim>
 struct type_caster<unchecked_mutable_reference<T, Dim>> : type_caster<unchecked_reference<T, Dim>> {};
 
 NAMESPACE_END(detail)