As I mentioned in readme
PythonForMegaPi, you can just download https://github.com/Makeblock-official/Makeblock-Libraries/archive/master.zip, and the firmware for megapi is in example as shown in the picture.
Since I have received some suggestions in
http://forum.makeblock.com/t/megapi-firmware-python-interface/6776/11, I will update a new version next week, I will be happy to fix some known bugs in this version, You can use it follow the instructionse, if you found some bugs,you can be submitted it on github