Remove unused imports in IPython.extensions

IPython/extensions/cythonmagic.py

@@ -57,7 +57,6 b' from distutils.command.build_ext import build_ext'
 from IPython.core import display
 from IPython.core import magic_arguments
 from IPython.core.magic import Magics, magics_class, cell_magic
-from IPython.testing.skipdoctest import skip_doctest
 from IPython.utils import py3compat
 from IPython.utils.path import get_ipython_cache_dir
 

IPython/extensions/rmagic.py

@@ -38,7 +38,6 b' import sys'
 import tempfile
 from glob import glob
 from shutil import rmtree
-from getopt import getopt
 
 # numpy and rpy2 imports
 
@@ -57,7 +56,7 b' except ImportError:'
 # IPython imports
 
 from IPython.core.displaypub import publish_display_data
-from IPython.core.magic import (Magics, magics_class, cell_magic, line_magic,
+from IPython.core.magic import (Magics, magics_class, line_magic,
                                 line_cell_magic, needs_local_scope)
 from IPython.testing.skipdoctest import skip_doctest
 from IPython.core.magic_arguments import (

IPython/extensions/sympyprinting.py

@@ -27,8 +27,6 b' maintained here for backwards compatablitiy with old SymPy versions.'
 #-----------------------------------------------------------------------------
 
 from IPython.lib.latextools import latex_to_png
-from IPython.testing import decorators as dec
-# use @dec.skipif_not_sympy to skip tests requiring sympy
 
 try:
     from sympy import pretty, latex

IPython/extensions/tests/test_rmagic.py

@@ -1,7 +1,6 b''
 from StringIO import StringIO
 
 import numpy as np
-from IPython.core.interactiveshell import InteractiveShell
 from IPython.testing.decorators import skip_without
 from IPython.extensions import rmagic
 from rpy2 import rinterface