Run pep8 on files in bin/

Files in bin/ don't have a .py extension, and so don't get picked
up by flake8. Add them to the flake8 command to have them checked.

Also fix an existing error in bin/pyghmicons.

Change-Id: I4db9b8c4e13c7c7f652acaa12add125f0e0458cd

bin/pyghmicons

@@ -78,7 +78,7 @@ try:
     inputthread.daemon = True
     inputthread.start()
     sol.main_loop()
-except:
+except Exception:
     currfl = fcntl.fcntl(sys.stdin.fileno(), fcntl.F_GETFL)
     fcntl.fcntl(sys.stdin.fileno(), fcntl.F_SETFL, currfl ^ os.O_NONBLOCK)
     termios.tcsetattr(sys.stdin, termios.TCSANOW, tcattr)

tox.ini

@@ -16,7 +16,8 @@ sitepackages = True
 downloadcache = ~/cache/pip
 
 [testenv:pep8]
-commands = flake8
+whitelist_externals = bash
+commands = bash -c 'flake8 pyghmi bin/*'
 
 [testenv:cover]
 setenv = VIRTUAL_ENV={envdir}