Fix TypeError: load_pem_public_key() takes exactly 2 arguments (1 given)

[unreturned]

Fix

./print_log_list.py --log_list=log_list.json --log_list_schema=log_list_schema.json --signature=log_list.sig --signer_key=log_list_pubkey.pem
Traceback (most recent call last):
  File "./print_log_list.py", line 129, in <module>
    app.run(main)
  File "/home/kovalkov/.local/lib/python2.7/site-packages/absl/app.py", line 300, in run
    _run_main(main, args)
  File "/home/kovalkov/.local/lib/python2.7/site-packages/absl/app.py", line 251, in _run_main
    sys.exit(main(argv))
  File "./print_log_list.py", line 102, in main
    if not is_signature_valid(json_data, FLAGS.signature, FLAGS.signer_key):
  File "./print_log_list.py", line 55, in is_signature_valid
    pubkey = serialization.load_pem_public_key(pubkey_pem)
TypeError: load_pem_public_key() takes exactly 2 arguments (1 given)

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[unreturned]

I signed it!

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[pphaneuf]

Could you add yourself to the AUTHORS and CONTRIBUTORS files, please? Otherwise ready to merge! 😃

[unreturned]

Could you add yourself to the AUTHORS and CONTRIBUTORS files, please? Otherwise ready to merge!

Done, please, check it.

[unreturned]

I`m very sorry, i correct myself with style of file and email with CLA. Dear @pphaneuf , gentle ping. Thank you.

[pphaneuf]

Thanks!