Python3 interactive mode on Linux launches the codes twice

Question

I have written a chess program in Python 3.4.3 and I am running the Python 3 interpreter in the interactive mode as follows:

python3 -i chess.py

However, the code after the class definitions get invoked twice and I do not know why. My code is on pastebin

Answer 1

You should remove the line from chess import * that is at the end of the file, it should not be needed.

Also, it is common to make sure that some of the code is not executed unless the code in the module is executed as a script.

 if __name__ == '__main__':
     # Not executed if the module is imported
     g = Game()