[style] pep8 and unused imports cleanup

3 files changed, 8 insertions, 8 deletions

diff --git a/mail/src/leap/mail/outgoing/service.py b/mail/src/leap/mail/outgoing/service.py
index 60ba8f53..838a908b 100644
--- a/mail/src/leap/mail/outgoing/service.py
+++ b/mail/src/leap/mail/outgoing/service.py
@@ -32,7 +32,6 @@ from twisted.python import log
 
 from leap.common.check import leap_assert_type, leap_assert
 from leap.common.events import emit, catalog
-from leap.keymanager import KeyManager
 from leap.keymanager.openpgp import OpenPGPKey
 from leap.keymanager.errors import KeyNotFound, KeyAddressMismatch
 from leap.mail import __version__
@@ -169,8 +168,8 @@ class OutgoingMail:
         # we don't pass an ssl context factory to the ESMTPSenderFactory
         # because ssl will be handled by reactor.connectSSL() below.
         factory = smtp.ESMTPSenderFactory(
-            "",  # username is blank because client auth is done on SSL protocol level
-            "",  # password is blank because client auth is done on SSL protocol level
+            "",  # username is blank, no client auth here
+            "",  # password is blank, no client auth here
             self._from_address,
             recipient.dest.addrstr,
             StringIO(msg),
@@ -242,7 +241,7 @@ class OutgoingMail:
 
         def signal_encrypt_sign(newmsg):
             emit(catalog.SMTP_END_ENCRYPT_AND_SIGN,
-                   "%s,%s" % (self._from_address, to_address))
+                 "%s,%s" % (self._from_address, to_address))
             return newmsg, recipient
 
         def if_key_not_found_send_unencrypted(failure, message):
@@ -261,7 +260,7 @@ class OutgoingMail:
         log.msg("Will encrypt the message with %s and sign with %s."
                 % (to_address, from_address))
         emit(catalog.SMTP_START_ENCRYPT_AND_SIGN,
-               "%s,%s" % (self._from_address, to_address))
+             "%s,%s" % (self._from_address, to_address))
         d = self._maybe_attach_key(origmsg, from_address, to_address)
         d.addCallback(maybe_encrypt_and_sign)
         return d
diff --git a/mail/src/leap/mail/smtp/gateway.py b/mail/src/leap/mail/smtp/gateway.py
index f6182a24..7dae9074 100644
--- a/mail/src/leap/mail/smtp/gateway.py
+++ b/mail/src/leap/mail/smtp/gateway.py
@@ -111,7 +111,10 @@ class SMTPFactory(ServerFactory):
         @return: The protocol.
         @rtype: SMTPDelivery
         """
-        smtpProtocol = SMTPHeloLocalhost(SMTPDelivery(self._userid, self._km, self._encrypted_only, self._outgoing_mail))
+        smtpProtocol = SMTPHeloLocalhost(
+            SMTPDelivery(
+                self._userid, self._km, self._encrypted_only,
+                self._outgoing_mail))
         smtpProtocol.factory = self
         return smtpProtocol
 
diff --git a/mail/src/leap/mail/smtp/rfc3156.py b/mail/src/leap/mail/smtp/rfc3156.py
index 62a06758..7d7bc0f0 100644
--- a/mail/src/leap/mail/smtp/rfc3156.py
+++ b/mail/src/leap/mail/smtp/rfc3156.py
@@ -19,9 +19,7 @@
 Implements RFC 3156: MIME Security with OpenPGP.
 """
 
-import re
 import base64
-from abc import ABCMeta, abstractmethod
 from StringIO import StringIO
 
 from twisted.python import log