As the error message indicates, you have an indentation error. It is probably caused by a mix of tabs and spaces. ... <看更多>

IndentationError : expected an indented block · Where's the rest of your code (the line where the failure occurs)? · I recommend using IDLE rather ... ... <看更多>

... <看更多>

The error message IndentationError: expected an indented block would seem to indicate that you have an indentation error. It is probably caused ... ... <看更多>