$ exaile
Traceback (most recent call last):
  File "/usr/share/exaile/xl/xlmisc.py", line 36, in <module>
    from xl import mozembed
  File "/usr/share/exaile/xl/mozembed.py", line 29, in <module>
    import gtkmozembed
ImportError: No module named gtkmozembed
Created db for thread Thread-1
{'Thread-1': <sqlite3.Connection object at 0x888e818>}
Using multimedia keys from: mmkeys
loading tracks...
Closed db for thread Thread-1
done loading tracks...
loading songs
Clearing tracks cache
Importing /home/feliciano/.exaile/saved/playlist0000.m3u
Last playlist loaded
Loading page 0
Running is False            <-------------------- here begin when I try to import mp4 
File count: 0
Count is now: 0
Created db for thread Thread-6
{'Thread-6': <sqlite3.Connection object at 0x888e908>}
loading tracks...
Closed db for thread Thread-6
done loading tracks...
loading songs
Clearing tracks cache