Remove unused imports in IPython.qt

IPython/qt/console/ansi_code_processor.py

@@ -9,7 +9,7 b' from collections import namedtuple'
 import re
 
 # System library imports
-from IPython.external.qt import QtCore, QtGui
+from IPython.external.qt import QtGui
 
 #-----------------------------------------------------------------------------
 # Constants and datatypes

IPython/qt/console/frontend_widget.py

@@ -3,7 +3,6 b' from __future__ import print_function'
 # Standard library imports
 from collections import namedtuple
 import sys
-import time
 import uuid
 
 # System library imports

IPython/qt/console/qtconsoleapp.py

@@ -54,20 +54,17 b" if os.name == 'nt':"
 from IPython.external.qt import QtCore, QtGui
 
 # Local imports
-from IPython.config.application import boolean_flag, catch_config_error
+from IPython.config.application import catch_config_error
 from IPython.core.application import BaseIPythonApplication
-from IPython.core.profiledir import ProfileDir
 from IPython.qt.console.ipython_widget import IPythonWidget
 from IPython.qt.console.rich_ipython_widget import RichIPythonWidget
 from IPython.qt.console import styles
 from IPython.qt.console.mainwindow import MainWindow
 from IPython.qt.client import QtKernelClient
 from IPython.qt.manager import QtKernelManager
-from IPython.kernel import tunnel_to_kernel, find_connection_file
 from IPython.utils.traitlets import (
-    Dict, List, Unicode, CBool, Any
+    Dict, Unicode, CBool, Any
 )
-from IPython.kernel.zmq.session import default_secure
 
 from IPython.consoleapp import (
         IPythonConsoleApp, app_aliases, app_flags, flags, aliases

IPython/qt/console/tests/test_kill_ring.py

@@ -2,7 +2,7 b''
 import unittest
 
 # System library imports
-from IPython.external.qt import QtCore, QtGui
+from IPython.external.qt import QtGui
 
 # Local imports
 from IPython.qt.console.kill_ring import KillRing, QtKillRing

IPython/qt/manager.py

@@ -4,7 +4,7 b''
 from IPython.external.qt import QtCore
 
 # Local imports
-from IPython.utils.traitlets import Bool, Instance
+from IPython.utils.traitlets import Bool
 
 from IPython.kernel import KernelManager
 from IPython.kernel.restarter import KernelRestarter