#NEWLINE# def __init__( self , simulation_cfg , default_wait_time_seconds = 0.05 , epsilon_time = 0.05 ) : #NEWLINE# #INDENT# super ( PrefixPeeker , self ) . __init__ ( simulation_cfg , default_wait_time_seconds = epsilon_time , epsilon_time = epsilon_time ) #NEWLINE# try : #NEWLINE# #INDENT# import pytrie #NEWLINE# #UNINDENT# except ImportError : #NEWLINE# #INDENT# raise RuntimeError ( 'Need to install pytrie: `sudo pip install pytrie`' ) #NEWLINE# #UNINDENT# self . _prefix_trie = pytrie . Trie ( )