## History of changes for WinPython 2.7.9.1



The following changes were made to WinPython distribution since version 2.7.8.3.



### Tools



Upgraded packages:



  * [MinGW32](http://pypi.python.org/pypi/MinGW32) 4.8.1 → 4.9.2 (C/C++ and Fortran compilers (http://www.mingw.org for 32-bit) (https://github.com/numpy/numpy/wiki/Mingw-static-toolchain for 64bit))



### Python packages



New packages:



  * [PuLP](http://pypi.python.org/pypi/PuLP) 1.5.6 (PuLP is an LP modeler written in python. PuLP can generate MPS or LP files and call GLPK, COIN CLP/CBC, CPLEX, and GUROBI to solve linear problems)

  * [enum34](http://pypi.python.org/pypi/enum34) 1.0.4 (Python 3.4 Enum backported to 3.3, 3.2, 3.1, 2.7, 2.6, 2.5, and 2.4)

  * [tqdm](http://pypi.python.org/pypi/tqdm) 1.0 (A Simple Python Progress Meter)



Upgraded packages:



  * [PyQt4](http://www.riverbankcomputing.co.uk/software/pyqt/intro) 4.10.4 → 4.11.3 (Python bindings for the Qt cross platform GUI toolkit)

  * [Pygments](http://pygments.org) 1.6 → 2.0.1 (Generic syntax highlighter for general use in all kinds of software)

  * [Python](http://www.python.org/) 2.7.8 → 2.7.9 (Python programming language with standard library)

  * [XlsxWriter](http://pypi.python.org/pypi/XlsxWriter) 0.6.2 → 0.6.4 (A Python module for creating Excel XLSX files.)

  * [astroid](http://pypi.python.org/pypi/astroid) 1.2.1 → 1.3.2 (Rebuild a new abstract syntax tree from Python's ast (required for pylint))

  * [db.py](http://pypi.python.org/pypi/db.py) 0.3.1 → 0.3.5 (a db package that doesn't suck)

  * [joblib](http://pypi.python.org/pypi/joblib) 0.8.3_r1 → 0.8.4 (Lightweight pipelining: using Python functions as pipeline jobs.)

  * [julia](http://sourceforge.net/projects/stonebig.u/files/packages) 0.1.1.5 → 0.1.1.6 (Python interface to the Julia language)

  * [logilab-common](http://pypi.python.org/pypi/logilab-common) 0.62.1 → 0.63.2 (Collection of low-level Python packages and modules used by Logilab projects (required for pylint))

  * [lxml](http://pypi.python.org/pypi/lxml) 3.4.0 → 3.4.1 (Powerful and Pythonic XML processing library combining libxml2/libxslt with the ElementTree API.)

  * [pandas](http://pypi.python.org/pypi/pandas) 0.15.1 → 0.15.2 (Powerful data structures for data analysis, time series and statistics)

  * [psutil](http://code.google.com/p/psutil) 2.1.1 → 2.1.3 (Provides an interface for retrieving information on all running processes and system utilization (CPU, disk, memory, network) in a portable way)

  * [pylint](http://www.logilab.org/project/pylint) 1.3.1 → 1.4.0 (Logilab code analysis module: analyzes Python source code looking for bugs and signs of poor quality)

  * [python-dateutil](http://labix.org/python-dateutil) 2.2 → 2.3 (Powerful extensions to the standard datetime module)

  * [pytz](http://pytz.sourceforge.net/) 2014.7 → 2014.10 (World Timezone Definitions for Python)

  * [requests](http://pypi.python.org/pypi/requests) 2.4.3 → 2.5.0 (Requests is an Apache2 Licensed HTTP library, written in Python, for human beings.)

  * [rpy2](http://pypi.python.org/pypi/rpy2) 2.4.4 → 2.5.2 (Python interface to the R language (embedded R))

  * [seaborn](http://pypi.python.org/pypi/seaborn) 0.4.0 → 0.5.1 (statistical data visualization)

  * [setuptools](http://pypi.python.org/pypi/setuptools) 5.8 → 7.0 (Download, build, install, upgrade, and uninstall Python packages - easily)

  * [spyder](https://bitbucket.org/spyder-ide/spyderlib) 2.3.1 → 2.3.2 (Scientific PYthon Development EnviRonment: designed for interactive computing and data visualisation with a simple and intuitive user interface)

  * [sqlparse](http://pypi.python.org/pypi/sqlparse) 0.1.13 → 0.1.14 (Non-validating SQL parser)

  * [statsmodels](http://pypi.python.org/pypi/statsmodels) 0.6.0 → 0.6.1 (Statistical computations and models for use with SciPy)

  * [sympy](http://code.google.com/p/sympy) 0.7.5 → 0.7.6 (Symbolic Mathematics Library)



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