ipython_directive causing OperationalError: attempt to write a readonly database #8850

extensions = ['IPython.sphinxext.ipython_console_highlighting',
              'IPython.sphinxext.ipython_directive']

.. ipython::

    In [1]: x = 1

build succeeded, 1 warning.
Error in atexit._run_exitfuncs:
Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/atexit.py", line 24, in _run_exitfuncs
    func(*targs, **kargs)
  File "/Users/mb312/.virtualenvs/regreg/lib/python2.7/site-packages/IPython/core/interactiveshell.py", line 3394, in atexit_operations
    self.history_manager.end_session()
  File "/Users/mb312/.virtualenvs/regreg/lib/python2.7/site-packages/IPython/core/history.py", line 547, in end_session
    len(self.input_hist_parsed)-1, self.session_number))
OperationalError: attempt to write a readonly database
Error in sys.exitfunc:
Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/atexit.py", line 24, in _run_exitfuncs
    func(*targs, **kargs)
  File "/Users/mb312/.virtualenvs/regreg/lib/python2.7/site-packages/IPython/core/interactiveshell.py", line 3394, in atexit_operations
    self.history_manager.end_session()
  File "/Users/mb312/.virtualenvs/regreg/lib/python2.7/site-packages/IPython/core/history.py", line 547, in end_session
    len(self.input_hist_parsed)-1, self.session_number))
sqlite3.OperationalError: attempt to write a readonly database

$ ipython --version
4.1.0-dev
$ ls -al $(ipython locate)/profile_default/history.sqlite
-rw-r--r--  1 mb312  staff  15002624 Sep 29 21:57 /Users/mb312/.ipython/profile_default/history.sqlite