image_content may not be JSON serializable
image_content may not be JSON serializable

Had issue that image_content was not JSON serializable - python3.5
KaranToor/MA450,csilzen/whatdoyousee,GoogleCloudPlatform/cloud-vision,csilzen/whatdoyousee,csilzen/whatdoyousee,KaranToor/MA450,KaranToor/MA450,KaranToor/MA450,csilzen/whatdoyousee,KaranToor/MA450,GoogleCloudPlatform/cloud-vision,KaranToor/MA450,csilzen/whatdoyousee,KaranToor/MA450,GoogleCloudPlatform/cloud-vision,csilzen/whatdoyousee,KaranToor/MA450,csilzen/whatdoyousee,GoogleCloudPlatform/cloud-vision,GoogleCloudPlatform/cloud-vision,csilzen/whatdoyousee,csilzen/whatdoyousee