mylib.script.helpers: move email stuff import to helper function to avoid global requirement

mylib/scripts/helpers.py

@@ -8,8 +8,6 @@ import logging
 import socket
 import sys
 
-from mylib.email import EmailClient
-
 log = logging.getLogger(__name__)
 
 
@@ -213,6 +211,7 @@ def add_email_opts(parser, config=None):
 
 def init_email_client(options, **kwargs):
     """ Initialize email client from calling script options """
+    from mylib.email import EmailClient  # pylint: disable=import-outside-toplevel
     log.info('Initialize Email client')
     return EmailClient(
         smtp_host=options.email_smtp_host,