diff --git a/weboob/backends/aum/browser.py b/weboob/backends/aum/browser.py
index ff9dca62..90e01af9 100644
--- a/weboob/backends/aum/browser.py
+++ b/weboob/backends/aum/browser.py
@@ -38,7 +38,7 @@ from weboob.backends.aum.pages.login import LoginPage, RedirectPage, BanPage, Er
 from weboob.backends.aum.pages.edit import EditPhotoPage, EditPhotoCbPage, EditAnnouncePage, EditDescriptionPage, EditSexPage, EditPersonalityPage
 from weboob.backends.aum.pages.wait import WaitPage
 
-from weboob.capabilities.chat import ChatContact, ChatMessage
+from weboob.capabilities.chat import ChatContact, ChatException, ChatMessage
 
 
 __all__ = ['AdopteUnMec']
diff --git a/weboob/frontends/weboobcfg/application.py b/weboob/frontends/weboobcfg/application.py
index 0e103679..6d02a98a 100644
--- a/weboob/frontends/weboobcfg/application.py
+++ b/weboob/frontends/weboobcfg/application.py
@@ -134,7 +134,7 @@ class WeboobCfg(ConsoleApplication):
                         print u'Backend "%s" successfully added under instance name "%s" to file %s. Please check configuration parameters values.' % (
                                 name, new_name, self.weboob.backends_config.confpath)
                         break
-                    except ConfigParser.DuplicateSectionError, e:
+                    except ConfigParser.DuplicateSectionError:
                         print u'Instance "%s" is already configured for backend "%s".' % (new_name, name)
 
     @ConsoleApplication.command('List backends')
diff --git a/weboob/tools/application/console.py b/weboob/tools/application/console.py
index 05ab816a..40b63eaa 100644
--- a/weboob/tools/application/console.py
+++ b/weboob/tools/application/console.py
@@ -28,7 +28,7 @@ import weboob
 from weboob.modules import BackendsConfig
 
 from .base import BaseApplication
-from .formatters import formatters_classes, SimpleFormatter
+from .formatters import formatters_classes
 from .results import Results, WhereCondition, WhereConditionException
 
 
diff --git a/weboob/tools/application/formatters/simple.py b/weboob/tools/application/formatters/simple.py
index f96a0dc4..806ec2cb 100644
--- a/weboob/tools/application/formatters/simple.py
+++ b/weboob/tools/application/formatters/simple.py
@@ -16,9 +16,6 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
 
-from ..results import WhereCondition, WhereConditionException
-
-
 __all__ = ['SimpleFormatter']