diff --git a/NLP_tools-EZmaster/public/v1/en/ner/analyze.ini b/NLP_tools-EZmaster/public/v1/en/ner/analyze.ini
index 2978918..54ac863 100644
--- a/NLP_tools-EZmaster/public/v1/en/ner/analyze.ini
+++ b/NLP_tools-EZmaster/public/v1/en/ner/analyze.ini
@@ -34,7 +34,8 @@
 args = ner 
 args = fix('-o')
 args = env('output','doc')
-args = fix('-lang','en').join(' ')
+args = fix('-lang')
+args = en
 
 [dump]
 indent = env('indent', false)
diff --git a/NLP_tools-EZmaster/public/v1/en/npchunker/analyze.ini b/NLP_tools-EZmaster/public/v1/en/npchunker/analyze.ini
index 334c734..415eaf3 100644
--- a/NLP_tools-EZmaster/public/v1/en/npchunker/analyze.ini
+++ b/NLP_tools-EZmaster/public/v1/en/npchunker/analyze.ini
@@ -34,7 +34,8 @@
 args = NPchunker 
 args = fix('-o')
 args = env('output','doc')
-args = fix('-lang','en').join(' ')
+args = fix('-lang')
+args = en
 
 [dump]
 indent = env('indent', false)
diff --git a/NLP_tools-EZmaster/public/v1/en/npchunkerdp/analyze.ini b/NLP_tools-EZmaster/public/v1/en/npchunkerdp/analyze.ini
index 85a9c96..af3ab76 100644
--- a/NLP_tools-EZmaster/public/v1/en/npchunkerdp/analyze.ini
+++ b/NLP_tools-EZmaster/public/v1/en/npchunkerdp/analyze.ini
@@ -34,7 +34,8 @@
 args = NPchunkerDP
 args = fix('-o')
 args = env('output','doc')
-args = fix('-lang','en').join(' ')
+args = fix('-lang')
+args = en
 
 [dump]
 indent = env('indent', false)
diff --git a/NLP_tools-EZmaster/public/v1/en/postagger/analyze.ini b/NLP_tools-EZmaster/public/v1/en/postagger/analyze.ini
index 919c28e..c295f4f 100644
--- a/NLP_tools-EZmaster/public/v1/en/postagger/analyze.ini
+++ b/NLP_tools-EZmaster/public/v1/en/postagger/analyze.ini
@@ -34,7 +34,8 @@
 args = POStagger
 args = fix('-o')
 args = env('output','doc')
-args = fix('-lang','en').join(' ')
+args = fix('-lang')
+args = en
 
 [dump]
 indent = env('indent', false)
diff --git a/NLP_tools-EZmaster/public/v1/en/stemmer/analyze.ini b/NLP_tools-EZmaster/public/v1/en/stemmer/analyze.ini
index aaf047e..4463304 100644
--- a/NLP_tools-EZmaster/public/v1/en/stemmer/analyze.ini
+++ b/NLP_tools-EZmaster/public/v1/en/stemmer/analyze.ini
@@ -34,7 +34,8 @@
 args = stemmer 
 args = fix('-o')
 args = env('output','doc')
-args = fix('-lang','en').join(' ')
+args = fix('-lang')
+args = en
 
 [dump]
 indent = env('indent', false)
diff --git a/NLP_tools-EZmaster/public/v1/en/termmatcher/analyze.ini b/NLP_tools-EZmaster/public/v1/en/termmatcher/analyze.ini
index 9df6c8f..689418d 100644
--- a/NLP_tools-EZmaster/public/v1/en/termmatcher/analyze.ini
+++ b/NLP_tools-EZmaster/public/v1/en/termmatcher/analyze.ini
@@ -34,7 +34,8 @@
 args = termMatcher 
 args = fix('-o')
 args = env('output','doc')
-args = fix('-lang','en').join(' ')
+args = fix('-lang')
+args = en
 
 [dump]
 indent = env('indent', false)
diff --git a/NLP_tools-EZmaster/public/v1/fr/postagger/analyze.ini b/NLP_tools-EZmaster/public/v1/fr/postagger/analyze.ini
index 8a13c38..9960b56 100644
--- a/NLP_tools-EZmaster/public/v1/fr/postagger/analyze.ini
+++ b/NLP_tools-EZmaster/public/v1/fr/postagger/analyze.ini
@@ -34,7 +34,8 @@
 args = lefff_tagger
 args = fix('-o')
 args = env('output','doc')
-args = fix('-lang','fr').join(' ')
+args = fix('-lang')
+args = fr
 
 [dump]
 indent = env('indent', false)
diff --git a/NLP_tools-EZmaster/public/v1/fr/stemmer/analyze.ini b/NLP_tools-EZmaster/public/v1/fr/stemmer/analyze.ini
index 64bf928..50155d2 100644
--- a/NLP_tools-EZmaster/public/v1/fr/stemmer/analyze.ini
+++ b/NLP_tools-EZmaster/public/v1/fr/stemmer/analyze.ini
@@ -34,7 +34,8 @@
 args = stemmer 
 args = fix('-o')
 args = env('output','doc')
-args = fix('-lang','fr').join(' ')
+args = fix('-lang')
+args = fr
 
 [dump]
 indent = env('indent', false)
diff --git a/NLP_tools-EZmaster/test_EZ/run_test_NLPtools_EZ.py b/NLP_tools-EZmaster/test_EZ/run_test_NLPtools_EZ.py
index 2ee7175..abbf72b 100644
--- a/NLP_tools-EZmaster/test_EZ/run_test_NLPtools_EZ.py
+++ b/NLP_tools-EZmaster/test_EZ/run_test_NLPtools_EZ.py
@@ -1,37 +1,53 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+# usage : 
+#    python3 run_test_NLPtools_EZ.py
+#
 """
 @author: stephane schneider
 """
 import requests
 
-engines=["postagger", "stemmer", "npchunker", "npchunkerdp"]
-outputs=['doc', 'json', 'list']
+outputs=['doc', 'json']
+languages=['en','fr']
+# dev
+# uri="http://nlptools-02.tdmservices.intra.inist.fr"
+# prod
+uri="https://nlp-tools-1.services.inist.fr"
 
 # parameter
 headers = {'content-type': 'application/octet-stream'}
-
 query= {"indent": "true"}
 # data :
 # -- fonctionne pas
 # doc = "../data/data.json"
 # test_files = { 'file': open(doc, 'rb')}
 # response = requests.post(url ,  params = query, files = test_files , stream=True, headers=headers)
-doc ="""[
-    {"id":"PhnlUo_d6LoJPLN3YUjh5qBLc","value":"Non-local effects by homogenization or 3D–1D dimension reduction in elastic materials reinforced by stiff fibers.We first consider an elastic thin heterogeneous cylinder of radius of order ε: the interior of the cylinder is occupied by a stiff material (fiber) that is surrounded by a soft material (matrix). By assuming that the elasticity tensor of the fiber does not scale with ε and that of the matrix scales with ε2, we prove that the one dimensional model is a nonlocal system.We then consider a reference configuration domain filled out by periodically distributed rods similar to those described above. We prove that the homogenized model is a second order nonlocal problem.In particular, we show that the homogenization problem is directly connected to the 3D–1D dimensional reduction problem."},
-    ]"""
 
-for engine in engines:
-    for output in outputs:
-        url ="http://nlptools-02.tdmservices.intra.inist.fr/v1/en/{}/analyze".format(engine)
-        query['output'] = output
-        response = requests.post(url , params = query, data = doc.encode('utf-8'), stream=True, headers=headers)
-    
-        print("\n------------ {} ({}) :".format(engine,output ))
-        print("REQUETES STATUS : {}".format(response.status_code))
-        print("HEADERS :  {}\n".format(response.headers))
-        if response.status_code == 200:
-            print(response.text)
-        else:
-            print("ERREUR : nothing found !")
+for language in languages:
+
+    if language == "en":
+        engines=["postagger", "stemmer", "npchunker", "npchunkerdp", "termatcher", "ner"]
+        doc="""[
+            {"id":"PhnlUo_d6LoJPLN3YUjh5qBLc","value":"Non-local effects by homogenization or 3D–1D dimension reduction in elastic materials reinforced by stiff fibers.We first consider an elastic thin heterogeneous cylinder of radius of order ε: the interior of the cylinder is occupied by a stiff material (fiber) that is surrounded by a soft material (matrix). By assuming that the elasticity tensor of the fiber does not scale with ε and that of the matrix scales with ε2, we prove that the one dimensional model is a nonlocal system.We then consider a reference configuration domain filled out by periodically distributed rods similar to those described above. We prove that the homogenized model is a second order nonlocal problem.In particular, we show that the homogenization problem is directly connected to the 3D–1D dimensional reduction problem."},
+            ]"""
+    else:
+        engines=["postagger", "stemmer"]
+        doc="""[
+            {"id":"xBKeVishRTsAqsdsqJn5YWo0HpuD","value":"Le déplacement chimique des carbones en phase gazeuse et en fonction de la concentration dans dix-neuf solvants dans le but de séparer les différents termes de constante dus aux interactions"},
+            ]"""
+
+    for engine in engines:
+        for output in outputs:
+            url ="{}/v1/{}/{}/analyze".format(uri, language, engine)
+            query['output'] = output
+            response = requests.post(url , params = query, data = doc.encode('utf-8'), stream=True, headers=headers)
+        
+            print("\n------------ {} ({}) :".format(engine,output ))
+            print("REQUETES STATUS : {}".format(response.status_code))
+            print("HEADERS :  {}\n".format(response.headers))
+            if response.status_code == 200:
+                print(response.text)
+            else:
+                print("ERREUR : nothing found !")