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I've always heard that it is best to inherit explicitly from object when creating classes in Python, but I noticed that in many examples on the Python website (For example,this, this convention is not used. Is there a reason for this?

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    This is explained in the documentation per "old style vs new style" classes. Ultimately, in python 2, classes do not inherit from object. Python 3 addresses this. python.org/doc/newstyle. The example you showed is using Python 3. Commented Dec 23, 2016 at 15:11
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    I advise sticking with the class classname(object): convention at present, since it makes it easier to write code that will run correctly on both Python 3 & Python 2. OTOH, if you're writing code that is specifically for Python 3 that would be painful to make Python 2 compatible then feel free to drop the (object). :) Commented Dec 23, 2016 at 15:24

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These examples are using Python 3 (3.6 to be precised). "Old" vs "new" style classes was a thing in Python 2. In Python 3 all classes are "new style" classes.

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Sorry if I wasn't clear. I understand that there is no distinction in Python 3, but my question is regarding the choice to use class Foo: vs class Foo(object): in Python3, knowing that both do the same thing.
@ChristopherShroba There is no reason to inherit from object in Python 3 rather than keeping backward compatibility with Python 2 with the same code-base. If no such support is needed then it only clatters the code. You can also write if (x == 1): but you don't since it only adds visual clatter.
I see. Thanks for the comment!

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