diff --git a/ZScoDoc.py b/ZScoDoc.py
index 4205ed51..397f9f55 100644
--- a/ZScoDoc.py
+++ b/ZScoDoc.py
@@ -45,8 +45,8 @@ import traceback
 
 from email.mime.multipart import MIMEMultipart
 from email.mime.text import MIMEText
-from email.mime.base import MIMEBase
 from email.header import Header
+from email.mime.base import MIMEBase
 
 from sco_zope import (
     ObjectManager,
diff --git a/sco_import_users.py b/sco_import_users.py
index e614a0fa..cc11b38b 100644
--- a/sco_import_users.py
+++ b/sco_import_users.py
@@ -39,8 +39,7 @@ TITLES = ("user_name", "nom", "prenom", "email", "roles", "dept")
 
 
 def generate_excel_sample():
-    """generates an excel document suitable to import users
-    """
+    """generates an excel document suitable to import users"""
     style = sco_excel.Excel_MakeStyle(bold=True)
     titles = TITLES
     titlesStyles = [style] * len(titles)
@@ -105,7 +104,7 @@ def import_users(U, auth_dept="", context=None):
     - créer utilisateur et mettre le mot de passe
     - envoyer mot de passe par mail
 
-    En cas d'erreur: supprimer tous les utilisateurs que l'on vient de créer.    
+    En cas d'erreur: supprimer tous les utilisateurs que l'on vient de créer.
     """
     created = []  # liste de uid créés
     try:
@@ -164,11 +163,11 @@ def generate_password():
     return "".join(RNG.sample(l, PASSLEN))
 
 
-from email.MIMEMultipart import MIMEMultipart
-from email.MIMEText import MIMEText
-from email.MIMEBase import MIMEBase
-from email.Header import Header
-from email import Encoders
+import email
+from email.mime.multipart import MIMEMultipart
+from email.mime.text import MIMEText
+from email.mime.base import MIMEBase
+from email.header import Header
 
 
 def mail_password(u, context=None, reset=False):