#NEWLINE# def __init__( self , pth_file ) : #NEWLINE# #INDENT# if ( not os . path . isfile ( pth_file ) ) : #NEWLINE# #INDENT# raise UninstallationError ( ( 'Cannot remove entries from nonexistent file %s' % self ) ) #NEWLINE# #UNINDENT# self . file = pth_file #NEWLINE# self . entries = set ( ) #NEWLINE# self . _saved_lines = None