Restore Python 2.6 compatibility (for now)

Author: g2p

.travis.yml

@@ -4,5 +4,5 @@ install:
 - PIP_USE_MIRRORS=true PIP_DOWNLOAD_CACHE=~/.cache/pip pip install tox
 
 script:
-- PIP_USE_MIRRORS=true PIP_DOWNLOAD_CACHE=~/.cache/pip tox -e py33,py32,py27,pypy
+- PIP_USE_MIRRORS=true PIP_DOWNLOAD_CACHE=~/.cache/pip tox
 

rfc6266.py

@@ -24,7 +24,10 @@
 import sys
 
 LOGGER = logging.getLogger('rfc6266')
-LOGGER.addHandler(logging.NullHandler)
+try:
+    LOGGER.addHandler(logging.NullHandler)
+except AttributeError:
+    pass
 
 __all__ = (
     'ContentDisposition',