def detect_logos_cloud_storage(uri):
 vision_client = vision.Client()
 image = vision_client.image(source_uri=uri)
 logos = image.detect_logos()
 print 'Logos:'
 for logo in logos:
  print logo.description

def detect_logos_cloud_storage ( uri ) : vision_client = vision . Client ( ) image = vision_client . image ( source_uri = uri ) logos = image . detect_logos ( ) print 'Logos:' for logo in logos : print logo . description
detects logos in the file located in google cloud storage .