COMPAT: 0.18.0 scipy dev changes causing interpolation failures
#### Code Sample, a copy-pastable example if possible

python -c 'import pandas;pandas.test()'
#### Expected Output

No errors/failures
#### output of `pd.show_versions()`

```

INSTALLED VERSIONS
------------------
commit: None
python: 3.4.3.final.0
python-bits: 64
OS: Linux
OS-release: 3.19.0-32-generic
machine: x86_64
processor: x86_64
byteorder: little
LC_ALL: None
LANG: en_US.UTF-8

pandas: 0.18.0
nose: 1.3.7
pip: 8.1.1
setuptools: 20.7.0
Cython: 0.23.4
numpy: 1.12.0.dev0+47b6c2b
scipy: 0.18.0.dev0+609facc
statsmodels: None
xarray: None
IPython: 4.1.1
sphinx: 1.3.5
patsy: 0.4.0
dateutil: 2.4.2
pytz: 2015.7
blosc: 1.2.8
bottleneck: 1.0.0
tables: None
numexpr: 2.5.2
matplotlib: 1.5.1
openpyxl: 2.3.5
xlrd: 0.9.4
xlwt: 1.0.0
xlsxwriter: 0.7.7
lxml: 3.4.4
bs4: 4.4.1
html5lib: 0.9999999
httplib2: 0.9.2
apiclient: 1.4.2
sqlalchemy: 1.0.9
pymysql: 0.6.7.None
psycopg2: None
jinja2: 2.8
boto: 2.39.0
```

Hello All,

Can anyone provide any insight into these errors and failures (see attachment)
[pandas_test.txt](https://github.com/pydata/pandas/files/216306/pandas_test.txt)
