AttributeError: 'TestReadHtmlBase' object has no attribute 'flavor'
Was testing 0.12.0~rc1+git79-g50eff60 on a sparc for the recent fixes:  test_html tests puked before trying with

```
======================================================================
ERROR: test_bad_url_protocol (pandas.io.tests.test_html.TestReadHtmlBase)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/yoh/deb/gits/pkg-exppsy/pandas/debian/tmp/usr/lib/python2.7/dist-packages/pandas/io/tests/test_html.py", line 98, in setUp
    self.try_skip()
  File "/home/yoh/deb/gits/pkg-exppsy/pandas/debian/tmp/usr/lib/python2.7/dist-packages/pandas/io/tests/test_html.py", line 87, in try_skip
    self.flavor != ['lxml']):
AttributeError: 'TestReadHtmlBase' object has no attribute 'flavor'

```
