TST: test_typ FAILs on sparc
v0.11.0-492-gb204e14

```
======================================================================
FAIL: test_typ (pandas.io.tests.test_json.test_pandas.TestPandasObjects)
----------------------------------------------------------------------
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_json/test_pandas.py", line 250, in test_typ
    assert_series_equal(result,s)
  File "/home/yoh/deb/gits/pkg-exppsy/pandas/debian/tmp/usr/lib/python2.7/dist-packages/pandas/util/testing.py", line 199, in assert_series_equal
    assert(left.dtype == right.dtype)
AssertionError

```

in any case would be nice to replace this with assert_equal
