diff --git a/IPython/qt/console/ansi_code_processor.py b/IPython/qt/console/ansi_code_processor.py
index f2fbf81..0bd757f 100644
--- a/IPython/qt/console/ansi_code_processor.py
+++ b/IPython/qt/console/ansi_code_processor.py
@@ -106,7 +106,7 @@ class AnsiCodeProcessor(object):
                 self.actions = []
             start = match.end()
 
-            groups = filter(lambda x: x is not None, match.groups())
+            groups = [g for g in match.groups() if (g is not None)]
             g0 = groups[0]
             if g0 == '\a':
                 self.actions.append(BeepAction('beep'))
@@ -129,7 +129,7 @@ class AnsiCodeProcessor(object):
                 if g0.startswith('['):
                     # Case 1: CSI code.
                     try:
-                        params = map(int, params)
+                        params = list(map(int, params))
                     except ValueError:
                         # Silently discard badly formed codes.
                         pass
diff --git a/IPython/qt/console/console_widget.py b/IPython/qt/console/console_widget.py
index 68a605c..3d10053 100644
--- a/IPython/qt/console/console_widget.py
+++ b/IPython/qt/console/console_widget.py
@@ -21,7 +21,6 @@ from IPython.config.configurable import LoggingConfigurable
 from IPython.core.inputsplitter import ESC_SEQUENCES
 from IPython.qt.rich_text import HtmlExporter
 from IPython.qt.util import MetaQObjectHasTraits, get_font
-from IPython.utils.py3compat import with_metaclass
 from IPython.utils.text import columnize
 from IPython.utils.traitlets import Bool, Enum, Integer, Unicode
 from .ansi_code_processor import QtAnsiCodeProcessor
@@ -70,7 +69,7 @@ def is_letter_or_number(char):
 # Classes
 #-----------------------------------------------------------------------------
 
-class ConsoleWidget(with_metaclass(MetaQObjectHasTraits, type('NewBase', (LoggingConfigurable, QtGui.QWidget), {}))):
+class ConsoleWidget(MetaQObjectHasTraits('NewBase', (LoggingConfigurable, QtGui.QWidget), {})):
     """ An abstract base class for console-type widgets. This class has
         functionality for:
 
@@ -221,9 +220,9 @@ class ConsoleWidget(with_metaclass(MetaQObjectHasTraits, type('NewBase', (Loggin
 
     # The shortcuts defined by this widget. We need to keep track of these to
     # support 'override_shortcuts' above.
-    _shortcuts = set(_ctrl_down_remap.keys() +
-                     [ QtCore.Qt.Key_C, QtCore.Qt.Key_G, QtCore.Qt.Key_O,
-                       QtCore.Qt.Key_V ])
+    _shortcuts = set(_ctrl_down_remap.keys()) | \
+                     { QtCore.Qt.Key_C, QtCore.Qt.Key_G, QtCore.Qt.Key_O,
+                       QtCore.Qt.Key_V }
 
     _temp_buffer_filled = False