Andy,

The period is an invalid character for Python variables. The period is
reserved for accessing attributes and methods of Python objects.


Jason
moorepants.info
+01 530-601-9791

On Mon, Dec 29, 2014 at 5:48 PM, Andrew Spielberg <aespielb...@gmail.com>
wrote:

> Hi guys,
>
> I have a variable with a period in it (say, 'base.length').  I now wish to
> sympify an expression, say:
>
> 2*base.length
>
> This throws an exception,
>
> AttributeError: 'Symbol' object has no attribute 'length'
>
> due to the period.  Is there a way I can have the sympify read the dot as
> just part of a variable name here?
>
> -Andy S.
>
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