test_class_ops: ubuntu 14.04 32bit  AssertionError: 1401254445 != 1401254446
```
======================================================================
FAIL: test_class_ops (pandas.tseries.tests.test_timeseries.TestTimestamp)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/tmp/buildd/pandas-0.14.0~rc1+git79-g1fa5dd4/debian/tmp/usr/lib/python2.7/dist-packages/pandas/tseries/tests/test_timeseries.py", line 2711, in test_class_ops
    compare(Timestamp.now('UTC'),datetime.now(pytz.timezone('UTC')))
  File "/tmp/buildd/pandas-0.14.0~rc1+git79-g1fa5dd4/debian/tmp/usr/lib/python2.7/dist-packages/pandas/tseries/tests/test_timeseries.py", line 2708, in compare
    self.assertEqual(int(Timestamp(x).value/1e9), int(Timestamp(y).value/1e9))
AssertionError: 1401254445 != 1401254446

----------------------------------------------------------------------
Ran 7152 tests in 664.150s
```

```
commit: None
python: 2.7.6.final.0
python-bits: 32
OS: Linux
OS-release: 3.2.0-4-amd64
machine: x86_64
processor: x86_64
byteorder: little
LC_ALL: C
LANG: C

pandas: 0.14.0.dev
nose: 1.3.1
Cython: 0.20.1post0
numpy: 1.8.1
scipy: 0.13.3
statsmodels: 0.5.0
IPython: None
sphinx: 1.2.2
patsy: 0.2.1
scikits.timeseries: None
dateutil: 1.5
pytz: 2012c
bottleneck: None
tables: 3.1.0
numexpr: 2.2.2
matplotlib: 1.3.1
openpyxl: 1.7.0
xlrd: 0.9.2
xlwt: 0.7.5
xlsxwriter: None
lxml: None
bs4: 4.2.1
html5lib: 0.999
bq: None
apiclient: None
rpy2: None
sqlalchemy: None
pymysql: None
psycopg2: None
```
