From f5dc13aef3b5fc56c3a6b8e5b3da77a0f731ea78 Mon Sep 17 00:00:00 2001
From: koriym <akihito.koriyama@gmail.com>
Date: Sat, 20 Jun 2020 23:35:08 +0900
Subject: [PATCH] soothe phpstan

---
 src/StreamProvider.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/StreamProvider.php b/src/StreamProvider.php
index 2167d3c..67827ec 100644
--- a/src/StreamProvider.php
+++ b/src/StreamProvider.php
@@ -17,6 +17,9 @@ class StreamProvider implements ProviderInterface
      */
     public function get()
     {
-        return fopen('php://temp/', 'r+');
+        $stream = fopen('php://temp/', 'r+');
+        assert(is_resource($stream));
+
+        return $stream;
     }
 }