def qr_by_account(account):
account = 'xrb:{0}'.format(account)
path = '{1}{0}.png'.format(account, qr_folder_path)
if (not os.path.isfile(path)):
qr = pyqrcode.create(account, error='L', version=4, mode=None, encoding='iso-8859-1')
qr.png('{1}{0}.png'.format(account, qr_folder_path), scale=8)
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