Re: Figuring out what dependencies are needed

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From	Robert Kern <robert.kern@gmail.com>
Subject	Re: Figuring out what dependencies are needed
Date	Wed, 11 Dec 2013 13:38:24 +0000
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On 2013-12-11 13:27, Steven D'Aprano wrote:
> On Wed, 11 Dec 2013 04:44:53 -0800, sal wrote:
>
>> Now I'd like to use the backtesting package from zipline (zipline.io),
>
> ".io" is not normally a file extension for Python files. Are you sure
> that's Python code?

That's a package name, not a filename.

>> but while running the test script in iPython, I receive the following
>> error:
>>
>> AssertionError                            Traceback (most recent call
>> last)
>> <ipython-input-6-f921351f78e2> in <module>()
>> ----> 1 data = load_from_yahoo()
>>        2 dma = DualMovingAverage()
>>        3 results = dma.run(data)
>
> I think you may be missing one or more lines? Perhaps something like
> "AssertionError: blah blah blah" appearing after that?
>
>
> For those unfamiliar with iPython, rather than a standard Traceback, that
> appears to suggest that dma.run(data) is raising AssertionError, but we
> can't see what (if any) error message is given by that assert, or how it
> fails.

No, the ----> arrow points to the active line in that frame of the traceback. 
Unfortunately, the OP cut off the remaining frames under `load_from_yahoo()` 
actually has the assert that is failing.

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
  that is made terrible by our own mad attempt to interpret it as though it had
  an underlying truth."
   -- Umberto Eco

Thread

Figuring out what dependencies are needed sal@nearlocal.com - 2013-12-11 04:44 -0800
  Re: Figuring out what dependencies are needed Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-11 13:27 +0000
    Re: Figuring out what dependencies are needed Robert Kern <robert.kern@gmail.com> - 2013-12-11 13:38 +0000
    Re: Figuring out what dependencies are needed Ian Kelly <ian.g.kelly@gmail.com> - 2013-12-11 13:21 -0700
  Re: Figuring out what dependencies are needed Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-11 13:25 +0000
  Re: Figuring out what dependencies are needed alex23 <wuwei23@gmail.com> - 2013-12-12 15:48 +1000
    Re: Figuring out what dependencies are needed sal i <sal@nearlocal.com> - 2013-12-11 22:53 -0800
      Re: Figuring out what dependencies are needed alex23 <wuwei23@gmail.com> - 2013-12-17 13:30 +1000

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