AttributeError: module 'pandas' has no attribute 'core' - Pandas can't be imported
#### Code Sample, a copy-pastable example if possible

```python
import pandas as pd
import pandas_profiling

df=pd.read_csv("test.xlsx", parse_dates=True, encoding='UTF-8')
profile = pandas_profiling.ProfileReport(df)
profile.to_file(outputfile="Test.html")

```
#### Problem description
''''
Importing pandas throws hairball
```
executed in 87ms, finished 22:10:59 2018-10-24
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-6-0c8b739b018b> in <module>
----> 1 import pandas as pd
      2 import pandas_profiling
      3 
      4 df=pd.read_csv("test.xlsx", parse_dates=True, encoding='UTF-8')
      5 profile = pandas_profiling.ProfileReport(df)

~\AppData\Local\Continuum\anaconda3\lib\site-packages\pandas\__init__.py in <module>
     40 import pandas.core.config_init
     41 
---> 42 from pandas.core.api import *
     43 from pandas.core.sparse.api import *
     44 from pandas.tseries.api import *

~\AppData\Local\Continuum\anaconda3\lib\site-packages\pandas\core\api.py in <module>
      8 from pandas.core.dtypes.missing import isna, isnull, notna, notnull
      9 from pandas.core.arrays import Categorical
---> 10 from pandas.core.groupby.groupby import Grouper
     11 from pandas.io.formats.format import set_eng_float_format
     12 from pandas.core.index import (Index, CategoricalIndex, Int64Index,

~\AppData\Local\Continuum\anaconda3\lib\site-packages\pandas\core\groupby\__init__.py in <module>
      1 # flake8: noqa
----> 2 from pandas.core.groupby.groupby import (
      3     Grouper, GroupBy, SeriesGroupBy, DataFrameGroupBy
      4 )

~\AppData\Local\Continuum\anaconda3\lib\site-packages\pandas\core\groupby\groupby.py in <module>
     47                                CategoricalIndex, _ensure_index)
     48 from pandas.core.arrays import ExtensionArray, Categorical
---> 49 from pandas.core.frame import DataFrame
     50 from pandas.core.generic import NDFrame, _shared_docs
     51 from pandas.core.internals import BlockManager, make_block

~\AppData\Local\Continuum\anaconda3\lib\site-packages\pandas\core\frame.py in <module>
     72                                    create_block_manager_from_arrays,
     73                                    create_block_manager_from_blocks)
---> 74 from pandas.core.series import Series
     75 from pandas.core.arrays import Categorical, ExtensionArray
     76 import pandas.core.algorithms as algorithms

~\AppData\Local\Continuum\anaconda3\lib\site-packages\pandas\core\series.py in <module>
     65 from pandas.compat.numpy import function as nv
     66 
---> 67 import pandas.core.ops as ops
     68 import pandas.core.algorithms as algorithms
     69 

AttributeError: module 'pandas' has no attribute 'core'
```
...
#### Expected Output
None 

#### Output of ``pd.show_versions()``

<details>

PD doesn't load, so 

```
conda list pandas
# packages in environment at C:\Users\XXXX\AppData\Local\Continuum\anaconda3:
#
# Name                    Version                   Build  Channel
pandas                    0.23.4           py36h830ac7b_0    defaults

```
</details>
