more fixes for sea

Change-Id: I195bcdbe5f6b274e65dd431ed13a123c74a8d5bf

secop_psi/sea.py

@@ -36,7 +36,7 @@ import json
 import threading
 import time
 import os
-from os.path import expanduser, join
+from os.path import expanduser, join, exists
 
 from secop.client import ProxyClient
 from secop.datatypes import ArrayOf, BoolType, \
@@ -45,7 +45,7 @@ from secop.errors import ConfigError, HardwareError, secop_error
 from secop.lib import getGeneralConfig, mkthread
 from secop.lib.asynconn import AsynConn, ConnectionClosed
 from secop.modules import Attached, Command, Done, Drivable, \
-    Module, Parameter, Property, Readable, Writable
+    Module, Parameter, Readable, Writable
 from secop.protocol.dispatcher import make_update
 
 CFG_HEADER = """[NODE]
@@ -69,7 +69,7 @@ remote_paths = .
 SEA_DIR = expanduser('~/sea')
 for confdir in getGeneralConfig()['confdir'].split(os.pathsep):
     seaconfdir = join(confdir, 'sea')
-    if os.exists(seaconfdir):
+    if exists(seaconfdir):
         break
 else:
     seaconfdir = None