#NEWLINE# def _get__data_sources_names( self ) : #NEWLINE# #INDENT# names = [ ] #NEWLINE# for name in self . data_sources : #NEWLINE# #INDENT# try : #NEWLINE# #INDENT# ( self . data_sources [ name ] + 1 ) #NEWLINE# names . append ( names ) #NEWLINE# #UNINDENT# except TypeError : #NEWLINE# #INDENT# pass #NEWLINE# #UNINDENT# #UNINDENT# names . sort ( ) #NEWLINE# return names