I can log the headers and it seems that they are strings:
INFO 2011-12-31 08:43:03,286 paypal.py:143] headers:
{'X-PAYPAL-REQUEST-DATA-FORMAT': 'JSON', 'X-PAYPAL-SECURITY-PASSWORD':
'1324348659', 'X-PAYPAL-RESPONSE-DATA-FORMAT': 'JSON',
'X-PAYPAL-SECURITY-SIGNATURE':
'Al6H7Bq3kp4bKFht2fR-p2FlAbp3AJFKl5pFMzHpo.QKYe4Uob5YPIm.',
'X-PAYPAL-SECURITY-USERID': 'niklas_1354859649_biz_api1.eddaconsult.se',
'X-PAYPAL-DEVICE-IPADDRESS': '127.0.0.1', 'X-PAYPAL-APPLICATION-ID':
'APP-80W284485P519543T'}
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