9 files changed, 6 insertions, 15 deletions
diff --git a/src/mailman/interfaces/bounce.py b/src/mailman/interfaces/bounce.py
index d5c7e087b..e2effd6b1 100644
--- a/src/mailman/interfaces/bounce.py
+++ b/src/mailman/interfaces/bounce.py
@@ -22,7 +22,7 @@ from __future__ import absolute_import, unicode_literals
 __metaclass__ = type
 __all__ = [
     'IBounceDetector',
-    'Stop',
+    'NonFatal',
     ]
 
 
diff --git a/src/mailman/interfaces/database.py b/src/mailman/interfaces/database.py
index 42a0b2e34..514e5db15 100644
--- a/src/mailman/interfaces/database.py
+++ b/src/mailman/interfaces/database.py
@@ -26,7 +26,8 @@ __all__ = [
     'SchemaVersionMismatchError',
     ]
 
-from zope.interface import Interface, Attribute
+
+from zope.interface import Interface
 
 from mailman.interfaces.errors import MailmanError
 from mailman.version import DATABASE_SCHEMA_VERSION
diff --git a/src/mailman/interfaces/domain.py b/src/mailman/interfaces/domain.py
index 25727ef22..560844d0c 100644
--- a/src/mailman/interfaces/domain.py
+++ b/src/mailman/interfaces/domain.py
@@ -30,7 +30,6 @@ __all__ = [
 from zope.interface import Interface, Attribute
 
 from mailman.core.errors import MailmanError
-from mailman.core.i18n import _
 
 
 
diff --git a/src/mailman/interfaces/listmanager.py b/src/mailman/interfaces/listmanager.py
index f24230852..d7859a28e 100644
--- a/src/mailman/interfaces/listmanager.py
+++ b/src/mailman/interfaces/listmanager.py
@@ -30,7 +30,6 @@ __all__ = [
 from zope.interface import Interface, Attribute
 
 from mailman.interfaces.errors import MailmanError
-from mailman.interfaces.mailinglist import IMailingList
 
 
 
diff --git a/src/mailman/interfaces/mailinglist.py b/src/mailman/interfaces/mailinglist.py
index 53f462d5d..13e026f8c 100644
--- a/src/mailman/interfaces/mailinglist.py
+++ b/src/mailman/interfaces/mailinglist.py
@@ -21,7 +21,6 @@ from __future__ import absolute_import, unicode_literals
 
 __metaclass__ = type
 __all__ = [
-    'DigestFrequency',
     'IAcceptableAlias',
     'IAcceptableAliasSet',
     'IMailingList',
@@ -33,8 +32,6 @@ __all__ = [
 from flufl.enum import Enum
 from zope.interface import Interface, Attribute
 
-from mailman.core.i18n import _
-
 
 
 class Personalization(Enum):
diff --git a/src/mailman/interfaces/member.py b/src/mailman/interfaces/member.py
index 8e316785b..51caa6f6f 100644
--- a/src/mailman/interfaces/member.py
+++ b/src/mailman/interfaces/member.py
@@ -94,7 +94,7 @@ class MembershipIsBannedError(MembershipError):
     """The address is not allowed to subscribe to the mailing list."""
 
     def __init__(self, mlist, address):
-        super(MembershipIsBanned, self).__init__()
+        super(MembershipIsBannedError, self).__init__()
         self._mlist = mlist
         self._address = address
 
diff --git a/src/mailman/interfaces/membership.py b/src/mailman/interfaces/membership.py
index f42516ad1..36cdf0be9 100644
--- a/src/mailman/interfaces/membership.py
+++ b/src/mailman/interfaces/membership.py
@@ -21,15 +21,12 @@ from __future__ import absolute_import, unicode_literals
 
 __metaclass__ = type
 __all__ = [
-    'SubscriptionService',
+    'ISubscriptionService',
     ]
 
 
 from zope.interface import Interface
 
-from mailman.core.i18n import _
-from mailman.interfaces.member import IMember
-
 
 
 class ISubscriptionService(Interface):
diff --git a/src/mailman/interfaces/mta.py b/src/mailman/interfaces/mta.py
index 95d453a8b..49001ebc6 100644
--- a/src/mailman/interfaces/mta.py
+++ b/src/mailman/interfaces/mta.py
@@ -35,7 +35,7 @@ from mailman.core.errors import MailmanError
 class SomeRecipientsFailed(MailmanError):
     """Delivery to some or all recipients failed"""
     def __init__(self, temporary_failures, permanent_failures):
-        HandlerError.__init__(self)
+        super(SomeRecipientsFailed, self).__init__()
         self.temporary_failures = temporary_failures
         self.permanent_failures = permanent_failures
 
diff --git a/src/mailman/interfaces/system.py b/src/mailman/interfaces/system.py
index 39156315f..6fa791e56 100644
--- a/src/mailman/interfaces/system.py
+++ b/src/mailman/interfaces/system.py
@@ -27,8 +27,6 @@ __all__ = [
 
 from zope.interface import Interface, Attribute
 
-from mailman.core.i18n import _
-
 
 
 class ISystem(Interface):