@@ -18,7 +18,6 @@
 # Imports
 #-----------------------------------------------------------------------------
 
-import os
 import sys
 
 #-----------------------------------------------------------------------------
 
@@ -14,7 +14,6 @@
 
 import atexit
 from copy import deepcopy
-import glob
 import logging
 import os
 import shutil
 
@@ -19,7 +19,6 @@
 # Imports
 #-----------------------------------------------------------------------------
 
-import os
 import sys
 import traceback
 from pprint import pformat
 
@@ -104,7 +104,6 @@
 import inspect
 import linecache
 import sys
-import warnings
 import re
 import os
 
 
@@ -4,7 +4,6 @@
 """
 
 import os
-import warnings
 
 #*****************************************************************************
 #       Copyright (C) 2005-2006 Fernando Perez <fperez@colorado.edu>
 
@@ -11,7 +11,6 @@
 # Distributed under the terms of the Modified BSD License.
 
 import abc
-import json
 import sys
 import traceback
 import warnings
 
@@ -11,7 +11,6 @@
 # Distributed under the terms of the Modified BSD License.
 
 import ast
-import sys
 from codeop import CommandCompiler, Compile
 import re
 import tokenize
 
@@ -1,7 +1,6 @@
 """Implementation of basic magic functions."""
 
 
-import argparse
 from logging import error
 import io
 import os
 
@@ -31,7 +31,6 @@
 from IPython.testing.skipdoctest import skip_doctest
 from IPython.utils import PyColorize
 from IPython.utils import openpy
-from IPython.utils import py3compat
 from IPython.utils.dir2 import safe_hasattr
 from IPython.utils.path import compress_user
 from IPython.utils.text import indent
 
@@ -19,7 +19,6 @@
 from IPython.core import pylabtools
 from IPython.utils.contexts import preserve_keys
 from IPython.utils.path import filefind
-import traitlets
 from traitlets import (
     Unicode, Instance, List, Bool, CaselessStrEnum, observe,
     DottedObjectName,