Import argparse directly from stdlib

IPython/config/loader.py

@@ -24,11 +24,11 b' Authors'
 #-----------------------------------------------------------------------------
 
 import __builtin__ as builtin_mod
+import argparse
 import os
 import re
 import sys
 
-from IPython.external import argparse
 from IPython.utils.path import filefind, get_ipython_dir
 from IPython.utils import py3compat, warn
 from IPython.utils.encoding import DEFAULT_ENCODING

IPython/core/magic_arguments.py

@@ -50,9 +50,9 b' Inheritance diagram:'
 #
 # The full license is in the file COPYING.txt, distributed with this software.
 #-----------------------------------------------------------------------------
+import argparse
 
 # Our own imports
-from IPython.external import argparse
 from IPython.core.error import UsageError
 from IPython.utils.process import arg_split
 from IPython.utils.text import dedent

IPython/core/tests/test_magic_arguments.py

@@ -6,9 +6,9 b''
 # The full license is in the file COPYING.txt, distributed with this software.
 #-----------------------------------------------------------------------------
 
+import argparse
 from nose.tools import assert_equal
 
-from IPython.external import argparse
 from IPython.core.magic_arguments import (argument, argument_group, kwds,
     magic_arguments, parse_argstring, real_name)
 

IPython/external/mathjax.py

@@ -50,6 +50,7 b' To find the directory where IPython would like MathJax installed:'
 # Imports
 #-----------------------------------------------------------------------------
 
+import argparse
 import os
 import shutil
 import sys
@@ -59,7 +60,6 b' import zipfile'
 
 
 from IPython.utils.path import locate_profile
-from IPython.external import argparse
 #-----------------------------------------------------------------------------
 #
 #-----------------------------------------------------------------------------

IPython/nbformat/v3/validator.py

@@ -1,11 +1,11 b''
 #!/usr/bin/env python
 # -*- coding: utf8 -*-
+import argparse
+import traceback
+import json
 
 from IPython.external.jsonschema import  Draft3Validator, validate, ValidationError
 import IPython.external.jsonpointer as jsonpointer
-from IPython.external import argparse
-import traceback
-import json
 
 def nbvalidate(nbjson, schema='v3.withref.json', key=None,verbose=True):
     v3schema = resolve_ref(json.load(open(schema,'r')))