Log Message:
py-httplib2: updated to 0.12.0

0.12.0

  Drop support for Python 3.3

  ca_certs from environment HTTPLIB2_CA_CERTS or certifi

  PROXY_TYPE_HTTP with non-empty user/pass raised TypeError: bytes required

  Revert http:443->https workaround

  eliminate connection pool read race

  cache: stronger safename