youtube_dl attribute __version__ does not exist

[orena1]

Checklist

• I'm reporting a feature request
• I've verified that I'm running youtube-dl version 2019.09.12.1
• I've searched the bugtracker for similar feature requests including closed ones

Description

Hi, by PEP 396 youtube_dl.__version__ should exist and report the current version of the module.
When trying this feature I get the following error:

In [1]: import youtube_dl                                                                                                                                                                                                                                                                
In [2]: youtube_dl.__version__                                                                                                                                                                                                                                                           ---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)                                                                                                                                                                                                              <ipython-input-2-a225f3ac3329> in <module>()                                                                                                                                                                                                                                             ----> 1 youtube_dl.__version__                                                                                                                                                                                                                                                           
AttributeError: 'module' object has no attribute '__version__' 

[eust102]

Same here. My exact error.