Tests fail with latest Pandas (0.15.2)

[jeremywhelchel]

With NumPy 1.9.1, Pandas 0.15.2, and Patsy 0.3.0:

$ nosetests
............./usr/local/lib/python2.7/dist-packages/pandas-0.15.2_182_gbb9c311-py2.7-linux-x86_64.egg/pandas/core/c
ategorical.py:462: FutureWarning: Accessing 'levels' is deprecated, use 'categories'
  warn("Accessing 'levels' is deprecated, use 'categories'", FutureWarning)
/usr/local/lib/python2.7/dist-packages/pandas-0.15.2_182_gbb9c311-py2.7-linux-x86_64.egg/pandas/core/categorical.py
:414: FutureWarning: 'labels' is deprecated. Use 'codes' instead
  warnings.warn("'labels' is deprecated. Use 'codes' instead", FutureWarning)
...FF.................
======================================================================
FAIL: patsy.test_highlevel.test_formula_likes
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/home/whelchel/patsy-0.3.0/patsy/test_highlevel.py", line 202, in test_formula_likes
    [[1], [2], [3]], ["x"])
  File "/home/whelchel/patsy-0.3.0/patsy/test_highlevel.py", line 104, in t
    expected_lhs_values, expected_lhs_names)
  File "/home/whelchel/patsy-0.3.0/patsy/test_highlevel.py", line 32, in check_result
    assert rhs.design_info.column_names == expected_rhs_names
AssertionError

======================================================================
FAIL: patsy.test_highlevel.test_return_pandas
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/home/whelchel/patsy-0.3.0/patsy/test_highlevel.py", line 348, in test_return_pandas
    assert np.array_equal(df4.columns, ["AA"])
AssertionError

----------------------------------------------------------------------
Ran 35 tests in 54.269s
FAILED (failures=2)