diff --git a/core b/core
index 9a080a3..5f1aaa7 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 9a080a34054c21a67236f761e8843005c07ff0ba
+Subproject commit 5f1aaa704ac36252027b9da0064bdf1de063df0d
diff --git a/plugins/python_providers/resources/amda.py b/plugins/python_providers/resources/amda.py
index 399f8f0..e2a5741 100644
--- a/plugins/python_providers/resources/amda.py
+++ b/plugins/python_providers/resources/amda.py
@@ -15,6 +15,7 @@ amda = AMDA()
 
 def get_sample(metadata,start,stop):
     ts_type = pysciqlopcore.ScalarTimeSerie
+    default_ctor_args = 1
     try:
         param_id = None
         for key,value in metadata:
@@ -25,18 +26,18 @@ def get_sample(metadata,start,stop):
                     ts_type = pysciqlopcore.VectorTimeSerie
                 elif value == 'multicomponent':
                     ts_type = pysciqlopcore.MultiComponentTimeSerie
+                    default_ctor_args = (0,2)
         tstart=datetime.datetime.fromtimestamp(start, tz=timezone.utc)
         tend=datetime.datetime.fromtimestamp(stop, tz=timezone.utc)
-        df = amda.get_parameter(start_time=tstart, stop_time=tend, parameter_id=param_id)
+        df = amda.get_parameter(start_time=tstart, stop_time=tend, parameter_id=param_id, method="REST")
         #t = np.array([d.timestamp()-7200 for d in df.index])
         t = np.array([d.timestamp() for d in df.index])
         values = df.values
         return ts_type(t,values.transpose())
-        return ts_type(1)
     except Exception as e:
         print(traceback.format_exc())
         print("Error in amda.py ",str(e))
-        return ts_type(1)
+        return ts_type(default_ctor_args)
 
 
 if len(amda.component) is 0:
diff --git a/plugins/python_providers/resources/test.py b/plugins/python_providers/resources/test.py
index 2e0f27e..3f895b7 100644
--- a/plugins/python_providers/resources/test.py
+++ b/plugins/python_providers/resources/test.py
@@ -3,6 +3,7 @@ sys.path.append("/home/jeandet/Documents/prog/build-SciQLop-Desktop-Debug/core")
 import PythonProviders
 import pysciqlopcore
 import numpy as np
+import math
 
 someglobal = 1
 
@@ -25,7 +26,7 @@ def make_multicomponent(x):
 
 
 def get_data(metadata,start,stop):
-    x = np.arange(start, stop)
+    x = np.arange(math.ceil(start), math.floor(stop))
     for key,value in metadata:
         if key == 'xml:id':
             param_id = value