man 2 sleep is failing again on travis due to low timeout
display .buffer, we need the full thing

having a difficult time finding why travis is not finding the full send_bytes of '_'
on *only* python3.3 unlike local debian/linux vm? -- however noticed the "man sleep"
also failed there due to TIMEOUT, so it could just be terribly slow, requiring more
than 5 second timeout -- we'll see ...