diff --git a/src/ensae_teaching_cs/automation/jenkins_helper.py b/src/ensae_teaching_cs/automation/jenkins_helper.py
index cebed199d..f043ded47 100644
--- a/src/ensae_teaching_cs/automation/jenkins_helper.py
+++ b/src/ensae_teaching_cs/automation/jenkins_helper.py
@@ -15,8 +15,9 @@ def engines_default():
     return dict(anaconda2="c:\\Anaconda",
                 anaconda3="c:\\Anaconda3",
                 py35="c:\\Python35_x64",
+                py34="c:\\Python34_x64",
                 py27="c:\\Python27",
-                default="c:\\Python34_x64",
+                default="c:\\Python35_x64",
                 winpython="c:\\APythonENSAE\\python")
 
 
@@ -74,8 +75,8 @@ def default_jenkins_jobs(filter=None, neg_filter=None):
                 "standalone [local_pypi]",
                 #"standalone [install]",
                 #"standalone [update]",
-                #"standalone [install] [py35]",
-                #"standalone [update] [py35]",
+                #"standalone [install] [py34]",
+                #"standalone [update] [py34]",
                 #"standalone [install] [winpython]",
                 #"standalone [update] [winpython]",
                 # pyquickhelper and others,
@@ -114,29 +115,29 @@ def default_jenkins_jobs(filter=None, neg_filter=None):
                 # update
                 ("pymyinstall [update_modules]", "H H(0-1) * * 5"),
                 "pymyinstall [update_modules] [winpython]",
-                "pymyinstall [update_modules] [py35]",
+                "pymyinstall [update_modules] [py34]",
                 "pymyinstall [update_modules] [py27]",
                 "pymyinstall [update_modules] [anaconda2]",
                 "pymyinstall [update_modules] [anaconda3]",
                 # py35
-                ("pyquickhelper [py35]", "H H(2-3) * * 2"),
-                ["pysqllike [py35] <-- pyquickhelper",
-                    "pymmails [py35] <-- pyquickhelper",
-                    "python3_module_template [py35] <-- pyquickhelper",
-                    "pymyinstall [py35] <-- pyquickhelper"],
-                "pyensae [py35] <-- pyquickhelper, pymyinstall",
-                "pyrsslocal [py35] <-- pyquickhelper, pyensae",
+                ("pyquickhelper [py34]", "H H(2-3) * * 2"),
+                ["pysqllike [py34] <-- pyquickhelper",
+                    "pymmails [py34] <-- pyquickhelper",
+                    "python3_module_template [py34] <-- pyquickhelper",
+                    "pymyinstall [py34] <-- pyquickhelper"],
+                "pyensae [py34] <-- pyquickhelper, pymyinstall",
+                "pyrsslocal [py34] <-- pyquickhelper, pyensae",
                 # actuariat
                 ("actuariat_python <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall", "H H(4-5) * * 0"),
                 [("actuariat_python [winpython] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall", None, dict(success_only=True)),
                     "actuariat_python [anaconda3] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
-                    "actuariat_python [py35] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall"],
+                    "actuariat_python [py34] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall"],
                 # code_beatrix
                 ("code_beatrix <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall", "H H(4-5) * * 0"),
                 ("code_beatrix [winpython] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
                  None, dict(success_only=True)),
                 ["code_beatrix [anaconda3] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
-                    "code_beatrix [py35] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall"],
+                    "code_beatrix [py34] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall"],
                 # teachings
                 # 1.5h
                 ("ensae_teaching_cs <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall", "H H(5-6) * * 0"),
@@ -144,13 +145,13 @@ def default_jenkins_jobs(filter=None, neg_filter=None):
                  None, dict(success_only=True)),
                 # 1.5h
                 ["ensae_teaching_cs [anaconda3] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
-                 "ensae_teaching_cs [py35] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall"],
+                 "ensae_teaching_cs [py34] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall"],
                 # code_beatrix
                 ("ensae_projects <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall", "H H(4-5) * * 3"),
                 ("ensae_projects [winpython] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
                  None, dict(success_only=True)),
                 ["ensae_projects [anaconda3] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
-                 "ensae_projects [py35] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall"],
+                 "ensae_projects [py34] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall"],
                 # documentation
                 ("pyquickhelper [doc] <-- pyquickhelper",
                  "H H(3-4) * * 1"),
@@ -176,14 +177,14 @@ def default_jenkins_jobs(filter=None, neg_filter=None):
                 # LONG
                 ("pymyinstall [LONG] <-- pyquickhelper",
                  "H(0,30) 02 01 * *"),
-                "pymyinstall [LONG] [py35] <-- pyquickhelper",
+                "pymyinstall [LONG] [py34] <-- pyquickhelper",
                 ("actuariat_python [LONG] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
                  None, dict(timeout=4800)),
                 ("actuariat_python [LONG] [winpython] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
                  None, dict(timeout=4800)),
                 ("actuariat_python [LONG] [anaconda3] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
                  None, dict(timeout=4800)),
-                ("actuariat_python [LONG] [py35] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
+                ("actuariat_python [LONG] [py34] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
                  None, dict(timeout=4800)),
                 ("ensae_teaching_cs [LONG] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
                  None, dict(timeout=4800)),
@@ -191,16 +192,16 @@ def default_jenkins_jobs(filter=None, neg_filter=None):
                  None, dict(timeout=4800)),
                 ("ensae_teaching_cs [LONG] [anaconda3] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
                  None, dict(timeout=4800)),
-                ("ensae_teaching_cs [LONG] [py35] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
+                ("ensae_teaching_cs [LONG] [py34] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
                  None, dict(timeout=4800)),
                 # SKIP
                 ("ensae_projects [SKIP] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
                  "H(0,30) 05 01 * *", dict(timeout=4800)),
-                ("ensae_projects [SKIP] [py35] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
+                ("ensae_projects [SKIP] [py34] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
                  None, dict(timeout=4800)),
                 ("ensae_teaching_cs [SKIP] [anaconda3] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
                  None, dict(timeout=4800)),
-                ("ensae_teaching_cs [SKIP] [py35] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
+                ("ensae_teaching_cs [SKIP] [py34] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
                  None, dict(timeout=4800)),
                 ("ensae_teaching_cs [SKIP] [winpython] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
                  None, dict(timeout=4800)),
@@ -214,7 +215,7 @@ def default_jenkins_jobs(filter=None, neg_filter=None):
                  None, dict(timeout=4800)),
                 ("ensae_teaching_cs [anaconda3] [custom_left] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
                  None, dict(timeout=4800)),
-                ("ensae_teaching_cs [py35] [custom_left] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
+                ("ensae_teaching_cs [py34] [custom_left] <-- pyquickhelper, pyensae, pymmails, pyrsslocal, pymyinstall",
                  None, dict(timeout=4800)),
                 ]