#NEWLINE# def __getitem__( self , item ) : #NEWLINE# #INDENT# '\n        overload __getitem__ to return a value from the pval_dict\n\n        ' #NEWLINE# if ( item in list ( self . pval_dict . keys ( ) ) ) : #NEWLINE# #INDENT# return self . pval_dict [ item ] #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# return None