Pandas 0.20.1 compatibility

[philippjfr]

Pandas 0.20.1 has been released with some backward incompatible changes. Based on a quick scan of the changelog the deprecation of .ix stands out to me as we use it in .select. This should be a trivial fix, but I'll have to do some testing to see if there's more issues.

[ea42gh]

Issue with holoviews/pandas/dask

----> 6 import holoviews as hv
/usr/lib/python3.5/site-packages/holoviews/core/init.py in ()
----> 2 from .data import * # noqa (API import)
/usr/lib/python3.5/site-packages/holoviews/core/data/init.py in ()
---> 11 from ..dimension import redim
/usr/lib/python3.5/site-packages/holoviews/core/dimension.py in ()
---> 14 from ..core.util import (basestring, sanitize_identifier,
15 group_sanitizer, label_sanitizer, max_range,
16 find_range, dimension_sanitizer, OrderedDict,
/usr/lib/python3.5/site-packages/holoviews/core/util.py in ()
---> 32 import dask.dataframe as dd
/usr/lib/python3.5/site-packages/dask/dataframe/init.py in ()
1 from future import print_function, division, absolute_import
----> 3 from .core import (DataFrame, Series, Index, _Frame, map_partitions,
4 repartition, to_delayed)
/usr/lib/python3.5/site-packages/dask/dataframe/core.py in ()
---> 40 pd.computation.expressions.set_use_numexpr(False)
AttributeError: module 'pandas' has no attribute 'computation'

[ea42gh]

The problem was resolved by upgrading dask to version 0.14.3

[ea42gh]

holoviews/core/util.py:27: FutureWarning: pandas.tslib is deprecated

[jlstevens]

@philippjfr Is this purely a pandas/dask issue that we need to be aware of but otherwise has nothing to do with our end?

[philippjfr]

Is this purely a pandas/dask issue that we need to be aware of but otherwise has nothing to do with our end?

That dask pandas.computation error is the remainder I've just opened a PR for.

[philippjfr]

All the required fixes were merged. Closing.

[github-actions]

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