old_contents: from . import asynmongo, asynpsycopg2, asynredis
  
  DB_PGSQL = "*postgresql"
  DB_SQLITE3 = "*sqlite3"
  DB_REDIS = "*redis"
  DB_MONGODB = "*mongodb"
  
  def set_timeout (timeout):
  	for each in (asynmongo.AsynConnect, asynpsycopg2.AsynConnect, asynredis.AsynConnect):
  		each.zombie_timeout = timeout		
  
  
new_contents: from . import asynmongo, asynpsycopg2, asynredis
  
  DB_PGSQL = "*postgresql"
  DB_POSTGRESQL = "*postgresql"
  DB_SQLITE3 = "*sqlite3"
  DB_REDIS = "*redis"
  DB_MONGODB = "*mongodb"
  
  def set_timeout (timeout):
  	for each in (asynmongo.AsynConnect, asynpsycopg2.AsynConnect, asynredis.AsynConnect):
  		each.zombie_timeout = timeout		
  
  
subject: add DB_POSTGRESQL