def send_image():
filename = picroscope.capture()
if filename is not None:
picroscope.toggle_preview()
email = Email(server)
email.subject = EMAIL_SUBJECT
email.recipient = input("Recipient: ")
email.add_attachment(filename)
print()
try:
print("Please wait ...")
email.send()
except SMTPRecipientsRefused:
print("Invalid email address.")
