remove uneeded import

fix indentation



git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@12899 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Base.py

@@ -66,14 +66,10 @@ from Products.ERP5Type.Accessor.TypeDefinition import asDate
 
 from string import join
 import sys
-import pickle
-import copy
 import psyco
 import traceback
 
 from cStringIO import StringIO
-from email.MIMEBase import MIMEBase
-from email import Encoders
 from socket import gethostname, gethostbyaddr
 import random