remove unused imports

IPython/sphinxext/ipython_directive.py

@@ -144,7 +144,6 b' from sphinx.util.compat import Directive'
 from traitlets.config import Config
 from IPython import InteractiveShell
 from IPython.core.profiledir import ProfileDir
-from IPython.utils import io
 
 #-----------------------------------------------------------------------------
 # Globals

IPython/terminal/pt_inputhooks/pyglet.py

@@ -1,7 +1,6 b''
 """Enable pyglet to be used interacively with prompt_toolkit
 """
 
-import os
 import sys
 import time
 from timeit import default_timer as clock

IPython/terminal/tests/test_help.py

@@ -4,7 +4,6 b''
 # Distributed under the terms of the Modified BSD License.
 
 import IPython.testing.tools as tt
-from IPython.testing.decorators import skip_without
 
 
 def test_ipython_help():

IPython/utils/_process_cli.py

@@ -11,11 +11,16 b' interface for IronPython will probably require you to help fill'
 in the details. 
 """
 
-
+# Import cli libraries:
+import clr
 import System
+
+# Import Python libraries:
 import os
-from IPython.utils import py3compat
 
+# Import IPython libraries:
+from IPython.utils import py3compat
+from ._process_common import arg_split
 
 def _find_cmd(cmd):
     """Find the full path to a command using which."""

IPython/utils/openpy.py

@@ -7,7 +7,6 b' Much of the code is taken from the tokenize module in Python 3.2.'
 
 import io
 from io import TextIOWrapper, BytesIO
-import os.path
 import re
 from tokenize import open, detect_encoding
 

IPython/utils/tempdir.py

@@ -5,11 +5,9 b' creating a context manager for the working directory which is also temporary.'
 """
 
 import os as _os
-import warnings as _warnings
-import sys as _sys
-
 from tempfile import TemporaryDirectory
 
+
 class NamedFileInTemporaryDirectory(object):
 
     def __init__(self, filename, mode='w+b', bufsize=-1, **kwds):
@@ -57,4 +55,3 b' class TemporaryWorkingDirectory(TemporaryDirectory):'
     def __exit__(self, exc, value, tb):
         _os.chdir(self.old_wd)
         return super(TemporaryWorkingDirectory, self).__exit__(exc, value, tb)
-

IPython/utils/terminal.py

@@ -17,12 +17,6 b' import sys'
 import warnings
 from shutil import get_terminal_size as _get_terminal_size
 
-from . import py3compat
-
-#-----------------------------------------------------------------------------
-# Code
-#-----------------------------------------------------------------------------
-
 # This variable is part of the expected API of the module:
 ignore_termtitle = True
 

IPython/utils/tests/test_shimmodule.py

@@ -1,11 +1,9 b''
 import sys
 import warnings
 
-import nose.tools as nt
-
-from IPython.utils.capture import capture_output
 from IPython.utils.shimmodule import ShimWarning
 
+
 def test_shim_warning():
     sys.modules.pop('IPython.config', None)
     with warnings.catch_warnings(record=True) as w: