RF: try/except/finally in a single statement (while at it)

since we support now python >= 2.6

fail2ban/server/action.py

@@ -560,10 +560,10 @@ class CommandAction(ActionBase):
 			return True
 
 		_cmd_lock.acquire()
-		try: # Try wrapped within another try needed for python version < 2.5
+		try:
 			stdout = tempfile.TemporaryFile(suffix=".stdout", prefix="fai2ban_")
 			stderr = tempfile.TemporaryFile(suffix=".stderr", prefix="fai2ban_")
-			try:
+
 			popen = subprocess.Popen(
 				realCmd, stdout=stdout, stderr=stderr, shell=True,
 				preexec_fn=os.setsid  # so that killpg does not kill our process
@@ -584,7 +584,7 @@ class CommandAction(ActionBase):
 					os.killpg(pgid, signal.SIGKILL)  # Kill the process
 					time.sleep(0.1)
 					retcode = popen.poll()
-			except OSError, e:
+		except OSError as e:
 			logSys.error("%s -- failed with %s" % (realCmd, e))
 		finally:
 			_cmd_lock.release()