module and namespace

[Egon Frerich]

If I use the interpreter I get:

Python 3.3.5 (default, Apr 12 2014, 23:34:20)
[GCC 4.6.3] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import mptt
>>> print(mptt)
<module 'mptt' from './mptt/__init__.py'>
>>>

But if I import mptt in my program the print-statement gives

<module 'mptt' (namespace)>

What is the meaning? When does this happened?

Egon

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