| 641 | http://sebastianraschka.com/Articles/2014_python_2_3_key_diff.html\\ |
| 642 | http://osgeo-org.1560.x6.nabble.com/Python-3-porting-and-unicode-td5344215.html\\ |
| 643 | http://python3porting.com/toc.html\\ |
| 644 | https://docs.python.org/3.7/howto/pyporting.html\\ |
| 645 | http://python-future.org/index.html\\ |
| 646 | http://python-future.org/compatible_idioms.html\\ |
| 647 | http://lucumr.pocoo.org/2014/5/12/everything-about-unicode/\\ |
| 648 | https://pypi.python.org/pypi/six\\ |
| 649 | https://pypi.python.org/pypi/autopep8\\ |
| 650 | https://docs.python.org/3.0/library/urllib.request.html#urllib.request.ProxyHandler\\ |
| 651 | http://www.diveintopython3.net/porting-code-to-python-3-with-2to3.html#urllib\\ |
| 652 | http://www.diveintopython3.net/porting-code-to-python-3-with-2to3.html#dict\\ |
| 653 | https://pyformat.info/\\ |
| 654 | https://docs.wxpython.org/MigrationGuide.html\\ |
| 655 | https://wxpython.org/Phoenix/docs/html/classic_vs_phoenix.html |