TypeError: 'module object is not callable'

Diez B. Roggisch deets at nospam.web.de
Mon Sep 3 11:06:41 CEST 2007

 christophertidy at hotmail.com wrote:

> Hi
> I am new to Python and have recieved this error message when trying to
> instantiate an object from a class from another file within the same
> directory and wondered what I have done wrong.
> I have a Step.py class:
> class Step(object)
>         def __init__(self, sName):
>         "Initialise a new Step instance"
>         self.sName = sName
>         self.depSteps = []
>         self.remDepSteps = []
>         self.isCompleted = 0
> Then I have created a new file within the same directory called
> main.py:
> import Step
> a  = Step("magn")
> The following however generates the error
> Traceback (most recent call last):
>   File "main.py", line 3, in ?
>     a  = Step("magn")
> TypeError: 'module' object is not callable
> If anyone could help point me in the right direction, how to fix this
> problem it would be much appreciated.

Do you by any chance come from a java-background?

Your actual problem is simply solved by this:

import Step


That's because Step.py is a module, and _not_ the class - there is no
file-class-correspondence as it is in e.g. Java.


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