list app in a django project

listeappdjango.py

import os
chemin = "D:\Documents\Projets_Perso\Yuki"

#(,
#(models.Model)
#(null=True,blank=True)
#models.NullBooleanField(blank=True)
#models.BooleanField(null=True,blank=True)
def liste_app(chemin):
    listfile =  os.listdir(chemin) 
    listeapp = []
    for f in listfile :
        if os.path.isdir(os.path.join(chemin, f)):
            listindir =  os.listdir(os.path.join(chemin, f)) 
            for f2 in listindir :
                if f2 == "models.py":
                    listeapp.append(f)
                    print f
    return listeapp

print liste_app(chemin)