traceback.print_exc() python question

Question

I am using the following line of code in IDLE to print out my traceback in an eception:

traceback.print_exc()

For some reason I get the red text error message, b

Answer 1

print_exc() prints formatted exception to stderr. If you need string value, call format_exc()

Answer 2

print_exc() doesn't return anything, which in Python is actually returning None. Looks like IDLE is showing you the None it returned.