From bc960e5001153ac8cb799aefcf97a7509aab25f7 Mon Sep 17 00:00:00 2001
From: Jordi Kroon <jordi@jordikroon.nl>
Date: Sun, 14 Jan 2018 19:21:57 +0100
Subject: [PATCH] Nullable ImageContext is not always acceptable

---
 src/Request/VisionRequest.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Request/VisionRequest.php b/src/Request/VisionRequest.php
index 6418a65..7059722 100644
--- a/src/Request/VisionRequest.php
+++ b/src/Request/VisionRequest.php
@@ -145,7 +145,7 @@ protected function getPayload()
                         $this->image->getType() => $this->image->getValue(),
                     ],
                     'features' => $this->getMappedFeatures(),
-                    'imageContext' => $this->extractImageContext()
+                    'imageContext' => $this->extractImageContext() ?: null
                 ],
             ],
         ];