@ -830,7 +830,7 @@ class Stream(mitogen.core.Stream):
except OSError:
e = sys.exc_info()[1]
if e.args[0] == errno.ECHILD:
LOG.warn('%r: waitpid(%r) produced ECHILD', self.pid, self)
LOG.warn('%r: waitpid(%r) produced ECHILD', self, self.pid)
return
raise