# Imports the Google Cloud client library
from google.cloud import vision
from google.cloud.vision import types

def is_cat(content):
    labels = fetch_data(content)
    if labels[0].description == "cat":
        return True
    else:
        return False

def fetch_data(content):
    # Instantiates a client
    client = vision.ImageAnnotatorClient()

    # Tell Google Vision that our content is of type Image
    image = types.Image(content=content)

    # Performs label detection on the image file
    response = client.label_detection(image=image)
    return response.label_annotations