#NEWLINE# def _init_dbs( self ) : #NEWLINE# #INDENT# db1 = testing_engine ( 'sqlite:///shard1.db' , options = dict ( pool_threadlocal = True ) ) #NEWLINE# db2 = testing_engine ( 'sqlite:///shard2.db' ) #NEWLINE# db3 = testing_engine ( 'sqlite:///shard3.db' ) #NEWLINE# db4 = testing_engine ( 'sqlite:///shard4.db' ) #NEWLINE# return ( db1 , db2 , db3 , db4 )