Fix py3 (as usual)

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/trunk@1879 b32b6428-25c9-4566-ad07-03861ab6144f

devices/sensors/HTU21D/xaal/htu21d/HTU21D.py

@@ -2,7 +2,7 @@
 import struct
 import array
 import time
-import i2c_base
+from . import i2c_base
 
 HTU21D_ADDR = 0x40
 CMD_READ_TEMP_HOLD = b"\xE3"

devices/sensors/HTU21D/xaal/htu21d/devs.py

@@ -4,17 +4,13 @@ from __future__ import print_function
 import xaal.lib
 import logging
 import platform
-import HTU21D
+from . import HTU21D
 
 
 PACKAGE_NAME = "xaal.htu21d"
 
-REFRESH_RATE = 30  # default rate : every 30 sec
-
 logger = xaal.lib.tools.get_logger(PACKAGE_NAME,logging.DEBUG,"%s.log" % PACKAGE_NAME)
 
-
-
 def build_dev(addr,devtype):
     dev            = xaal.lib.Device(devtype)
     dev.address    = addr
@@ -43,9 +39,7 @@ class GW:
         
     def setup(self):
         cfg = xaal.lib.tools.load_cfg_or_die(PACKAGE_NAME)['config']
-        rate = REFRESH_RATE
-        if cfg.has_key('refresh'):
-            rate = float(cfg['refresh'])
+        rate = float(cfg['refresh'])
         self.engine.add_timer(self.process,rate)
 
         dev = build_dev(cfg['thermometer'],"thermometer.basic")