python2.7.10 on Yosemite fails to exit properly

[phillicl@…]

After upgrading my operating system to Yosemite, I am having problems with python 2.7.10

I can run a script, but if I use python in interactive mode, upon exiting the bash terminal prompt does not work correctly (below, after exiting, I hit return four times

lm:~-> python

Python 2.7.10 (default, Aug 26 2015, 18:17:29)

[GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.56)] on darwin

Type "help", "copyright", "credits" or "license" for more information.

exit()

lm:~-> lm:~-> lm:~-> lm:~->