Json Error

from sendgrid import SendGridAPIClient
from sendgrid.helpers.mail import Mail

message = Mail(
         from_email='send@gmail.com',
         to_emails='receive@yahoo.com',
         subject='Job offer',
         html_content='<strong>and easy to do anywhere, even with Python</strong>')

sg = SendGridAPIClient('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')
response = sg.send(message)

print(response.status_code)
print(response.body)
print(response.headers)