Log Message:
Update py-ipython1 to 1.2.1

1.2.1:

* :ghpull:`4372`: Don't assume that SyntaxTB is always called with a SyntaxError
* :ghpull:`5166`: remove mktemp usage
* :ghpull:`5163`: Simplify implementation of TemporaryWorkingDirectory.
* :ghpull:`5105`: add index to format to support py2.6

* :ghissue:`5101`: IPython 1.2.0: notebook fail with "500 Internal Server \ 
Error"

1.2.0:

* :ghpull:`4972`: Work around problem in doctest discovery in Python 3.4 with PyQt
* :ghpull:`4934`: `ipython profile create` respects `--ipython-dir`
* :ghpull:`4845`: Add Origin Checking.
* :ghpull:`4928`: use importlib.machinery when available
* :ghpull:`4849`: Various unicode fixes (mostly on Windows)
* :ghpull:`4880`: set profile name from profile_dir
* :ghpull:`4908`: detect builtin docstrings in oinspect
* :ghpull:`4909`: sort dictionary keys before comparison, ordering is not guaranteed
* :ghpull:`4903`: use https for all embeds
* :ghpull:`4868`: Static path fixes
* :ghpull:`4820`: fix regex for cleaning old logs with ipcluster
* :ghpull:`4840`: Error in Session.send_raw()
* :ghpull:`4762`: whitelist alphanumeric characters for cookie_name
* :ghpull:`4748`: fix race condition in profiledir creation.
* :ghpull:`4720`: never use ssh multiplexer in tunnels
* :ghpull:`4738`: don't inject help into user_ns
* :ghpull:`4722`: allow purging local results as long as they are not outstanding
* :ghpull:`4668`: Make non-ASCII docstring unicode
* :ghpull:`4639`: Minor import fix to get qtconsole with --pylab=qt working
* :ghpull:`4453`: Play nice with App Nap
* :ghpull:`4609`: Fix bytes regex for Python 3.
* :ghpull:`4488`: fix typo in message spec doc
* :ghpull:`4346`: getpass() on Windows & Python 2 needs bytes prompt
* :ghpull:`4230`: Switch correctly to the user's default matplotlib backend \ 
after inline.
* :ghpull:`4214`: engine ID metadata should be unicode, not bytes
* :ghpull:`4232`: no highlight if no language specified
* :ghpull:`4218`: Fix display of SyntaxError when .py file is modified
* :ghpull:`4217`: avoid importing numpy at the module level
* :ghpull:`4213`: fixed dead link in examples/notebooks readme to Part 3
* :ghpull:`4183`: ESC should be handled by CM if tooltip is not on
* :ghpull:`4193`: Update for #3549: Append Firefox overflow-x fix
* :ghpull:`4205`: use TextIOWrapper when communicating with pandoc subprocess
* :ghpull:`4204`: remove some extraneous print statements from IPython.parallel
* :ghpull:`4201`: HeadingCells cannot be split or merged

* :ghissue:`4892`: IPython.qt test failure with python3.4
* :ghissue:`4810`: ipcluster bug in clean_logs flag
* :ghissue:`4765`: missing build script for highlight.js
* :ghissue:`4761`: ipv6 address triggers cookie exception
* :ghissue:`4721`: purge_results with jobid crashing - looking for insight
* :ghissue:`4602`: "ipcluster stop" fails after "ipcluster start \ 
--daemonize" using python3.3
* :ghissue:`3386`: Magic %paste not working in Python 3.3.2. TypeError: Type str \ 
doesn't support the buffer API
* :ghissue:`4485`: Incorrect info in "Messaging in IPython" documentation.
* :ghissue:`4351`: /parallel/apps/launcher.py error
* :ghissue:`4334`: NotebookApp.webapp_settings static_url_prefix causes crash
* :ghissue:`4039`: Celltoolbar example issue
* :ghissue:`4256`: IPython no longer handles unicode file names
* :ghissue:`4122`: Nbconvert [windows]: Inconsistent line endings in markdown \ 
cells exported to latex
* :ghissue:`3819`: nbconvert add extra blank line to code block on Windows.
* :ghissue:`4203`: remove spurious print statement from parallel annoted functions
* :ghissue:`4200`: Notebook: merging a heading cell and markdown cell cannot be \ 
undone