From b8d4ac6d239cd9ddf835dd9b1485fe62546532d8 Mon Sep 17 00:00:00 2001
From: Geoffrey Beausire <g.beausire@criteo.com>
Date: Thu, 12 Apr 2018 14:48:35 +0200
Subject: [PATCH] Fix file descriptor not closed

Signed-off-by: Geoffrey Beausire <g.beausire@criteo.com>
---
 prometheus_client/core.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/prometheus_client/core.py b/prometheus_client/core.py
index 02dc8ae7..e7ab8344 100644
--- a/prometheus_client/core.py
+++ b/prometheus_client/core.py
@@ -426,6 +426,8 @@ def write_value(self, key, value):
 
     def close(self):
         if self._f:
+            self._m.close()
+            self._m = None
             self._f.close()
             self._f = None