anyone know pandas ? Don't understand error: NotImplementedError...

Neil Cerutti neilc at norwich.edu
Thu Apr 18 10:07:18 EDT 2013


On 2013-04-18, Wayne Werner <wayne at waynewerner.com> wrote:
> On Wed, 17 Apr 2013, someone wrote:
>
>>  File "/usr/lib/pymodules/python2.7/pandas/tseries/offsets.py", line 214, in 
>> rule_code
>>    raise NotImplementedError
>> NotImplementedError
>> --------------------
>>
>> Can anyone tell why this error appears and how to fix it?
>
> I don't know anything about pandas, but my recommendation?
>
>    $ vim /usr/lib/pymodules/python2.7/pandas/tseries/offsets.py
>
> (or nano or emacs - whatever editor you're comfortable with).
>
> Go to line 214, and take a look-see at what you find. My guess is it will 
> be something like:
>
> def rule_code():
>      raise NotImplementedError()
>
> Which is terribly unhelpful.

It most likely means that the program is instantiating an
abstract base class when it should be using one of its subclasses
instead, e.g., BusinessDay, MonthEnd, MonthBegin,
BusinessMonthEnd, etc.

http://pandas.pydata.org/pandas-docs/dev/timeseries.html

-- 
Neil Cerutti



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