diff --git a/cli_archiveextractor.py b/cli_archiveextractor.py
old mode 100644
new mode 100755
index 5c22c1885be347bf156cd91cac9f357f281b37bc..9a5e7f0101680ee217cdbafd84b61aac1aaba7c8
--- a/cli_archiveextractor.py
+++ b/cli_archiveextractor.py
@@ -3,7 +3,11 @@
 Command Line Interface to  use ArchiveExtractor module
 """
 import argparse
-import ArchiveExtractor
+import core.ArchiveExtractor as AE
+import logging
+import datetime
+import numpy as np
+import PyTango as tango
 
 # Name the logger after the filename
 logger = logging.getLogger("ArchiveExtractor")
@@ -17,15 +21,15 @@ dateStart = datetime.datetime.now()-datetime.timedelta(days=1)
 #######################################################
 # Install argument parser
 
-parser = argparse.ArgumentParser(description="Extract attributes from the extractor devices.\nVersion %s"%__version__)
+parser = argparse.ArgumentParser(description="Extract attributes from the extractor devices.\nVersion %s"%AE.__version__)
 
-parser.add_argument("--from", type=dateparse, dest="dateStart",
+parser.add_argument("--from", type=AE.ArchiveExtractor.dateparse, dest="dateStart",
     help="Start date for extraction, format '1990-12-13-22:33:45'. "+
     "It is possible to be less precise and drop, seconds, minutes, hours or even day."+
     " Default is one day ago",
     default=dateStart)
 
-parser.add_argument("--to", type=dateparse, dest="dateStop",
+parser.add_argument("--to", type=AE.ArchiveExtractor.dateparse, dest="dateStop",
     help="Stop date for extraction, format '1990-12-13-22:33:45'. It is possible to be less precise and drop, seconds, minutes, hours or even day."+
     " Default is now.",
     default=dateStop)
@@ -68,7 +72,7 @@ logger.addHandler(s_handler)
 
 logger.debug("Parsed arguments: %s"%args)
 
-logger.info("Archive Extractor %s"%__version__)
+logger.info("Archive Extractor %s"%AE.__version__)
 
 #######################################################
 # Filemode or not
@@ -90,9 +94,9 @@ else:
 #######################################################
 # Instanciate Extractor
 if args.DB == "L":
-    AE  =  ArchiveExtractor.ArchiveExtractor(extractorPath="archiving/extractor/%d"%(args.DBN))
+    AE  =  AE.ArchiveExtractor(extractorPath="archiving/extractor/%d"%(args.DBN), logger=logger)
 else:
-    AE  =  ArchiveExtractor.ArchiveExtractor(args.DB, args.DBN)
+    AE  =  AE.ArchiveExtractor(args.DB, args.DBN, logger=logger)
 
 #######################################################
 # Prepare dictionnary for result
diff --git a/core/ArchiveExtractor.py b/core/ArchiveExtractor.py
index ae66b91c0aa398414e986395ec0db970599ddcc0..f04984412df4b93be1c71b58b92c5ffd2c163ab0 100755
--- a/core/ArchiveExtractor.py
+++ b/core/ArchiveExtractor.py
@@ -227,8 +227,8 @@ class ArchiveExtractor:
             self,
             attribute,
             dateStart,
-            timeInterval=datetime.timedelta(seconds=60),
             dateStop=datetime.datetime.now(),
+            timeInterval=datetime.timedelta(seconds=60),
             ):
         """
         Query attribute data from an archiver database, get all points between dates.
@@ -297,12 +297,12 @@ class ArchiveExtractor:
             cdates.append(cdates[-1]+timeInterval)
         cdates[-1] = dateStop
         mdates = np.asarray(cdates[:-1])+timeInterval/2
-        logger.debug("Cutting time range to %d chunks of time, %s each."%(len(cdates)-1, dt))
+        self.logger.debug("Cutting time range to %d chunks of time, %s each."%(len(cdates)-1, timeInterval))
 
         # Prepare arrays
-        value_min = np.empty(len(cdates-1))
-        value_max = np.empty(len(cdates-1))
-        value_mean = np.empty(len(cdates-1))
+        value_min = np.empty(len(cdates)-1)
+        value_max = np.empty(len(cdates)-1)
+        value_mean = np.empty(len(cdates)-1)
 
         # For each time chunk
         for i_d in range(len(cdates)-1):
@@ -311,7 +311,7 @@ class ArchiveExtractor:
                     [value_max, value_min, value_mean],
                     ):
                 # Make requests
-                logger.debug("Perform GetAttData%sBetweenDates (%s, %s, %s)"%(
+                self.logger.debug("Perform GetAttData%sBetweenDates (%s, %s, %s)"%(
                     func,
                     attribute,
                     cdates[i_d].strftime(DBDFMT2),