Fix exception handling issues caused by #68

- Checking for exceptions is intended to be done on each write

Author: gmr

rabbitpy/base.py

@@ -232,7 +232,7 @@ def write_frame(self, frame):
         """
         if self.closed:
             return
-        #self._check_for_exceptions()
+        self._check_for_exceptions()
         if self._is_debugging:
             LOGGER.debug('Writing frame: %s', frame.name)
         with self._write_lock: