From 1ccb4c6dbfa6194d1627885e39f81823bce44fc7 Mon Sep 17 00:00:00 2001
From: FX Coudert <fxcoudert@gmail.com>
Date: Thu, 3 Dec 2020 16:44:16 +0100
Subject: Update gnu.py

---
 numpy/distutils/fcompiler/gnu.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'numpy/distutils/fcompiler/gnu.py')

diff --git a/numpy/distutils/fcompiler/gnu.py b/numpy/distutils/fcompiler/gnu.py
index 0d9d769c2..68d1501ee 100644
--- a/numpy/distutils/fcompiler/gnu.py
+++ b/numpy/distutils/fcompiler/gnu.py
@@ -126,7 +126,7 @@ class GnuFCompiler(FCompiler):
                     target = '10.9'
                     s = f'Env. variable MACOSX_DEPLOYMENT_TARGET set to {target}'
                     warnings.warn(s, stacklevel=2)
-                os.environ['MACOSX_DEPLOYMENT_TARGET'] = target
+                os.environ['MACOSX_DEPLOYMENT_TARGET'] = str(target)
             opt.extend(['-undefined', 'dynamic_lookup', '-bundle'])
         else:
             opt.append("-shared")
-- 
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