diff --git a/.gitignore b/.gitignore
index e42b6b9..1da736e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@
 /EcuRsm/
 /Output/
 /pyren/*.zip
+/pyren3/*.zip
 cache/
 csv/
 dumps/
@@ -15,7 +16,7 @@ EcuRenault/
 Location/
 .vscode/      
 BVMEXTRACTION/
-DDT2000data/
+DDT2000data*/
 DocDB*/
 MTCSAVE/
 NML/
@@ -23,17 +24,14 @@ Params/
 Python27/
 *.pyc
 *.p
+*.zip
 *.csv
 *.acf
 *.tdv
 *.bin
-pyren/acf.py
-pyren/history.txt
-pyren/mod_acf_func.py
-pyren/mod_acf_proc.py
-pyren/mod_ddt_config.py
-pyren/parser.out
-pyren/parsetab.py
-pyren/scen_appr_4valves.py
-pyren/scen_ecri_fap2.py
+pyren3/history.txt
+pyren3/parser.out
+pyren3/parsetab.py
+pyren3/scen_appr_4valves.py
+pyren3/scen_ecri_fap2.py
 
diff --git a/_pyren3_launcher.py b/_pyren3_launcher.py
index d961896..8fb042f 100755
--- a/_pyren3_launcher.py
+++ b/_pyren3_launcher.py
@@ -130,7 +130,7 @@ def update_from_gitlab():
                         continue
                     
                     source = zip_file.open(src)
-                    target = file(dst, "wb")
+                    target = open(dst, "wb")
                     with source, target:
                         shutil.copyfileobj(source, target)
     except:
diff --git a/pyren3/mod_ddt_utils.py b/pyren3/mod_ddt_utils.py
index f749c80..53fba11 100755
--- a/pyren3/mod_ddt_utils.py
+++ b/pyren3/mod_ddt_utils.py
@@ -57,6 +57,27 @@ class settings():
         pickle.dump(self.__dict__, f)
         f.close()
 
+def cmp_to_key(mycmp):
+    class K(object):
+        def __init__(self, obj, *args):
+            self.obj = obj
+        def __lt__(self, other):
+            return mycmp(self.obj, other.obj) < 0
+        def __gt__(self, other):
+            return mycmp(self.obj, other.obj) > 0
+        def __eq__(self, other):
+            return mycmp(self.obj, other.obj) == 0
+        def __le__(self, other):
+            return mycmp(self.obj, other.obj) <= 0
+        def __ge__(self, other):
+            return mycmp(self.obj, other.obj) >= 0
+        def __ne__(self, other):
+            return mycmp(self.obj, other.obj) != 0
+    return K
+ 
+def cmp(a, b):
+    return (a > b) - (a < b)
+
 def multikeysort(items, columns):
     comparers = [ ((itemgetter(col[1:].strip()), -1) if col.startswith('-') else (itemgetter(col.strip()), 1)) for col in columns]
     def comparer(left, right):
@@ -66,7 +87,7 @@ def multikeysort(items, columns):
                 return mult * result
         else:
             return 0
-    return sorted(items, cmp=comparer)
+    return sorted(items, key=cmp_to_key(comparer))
 
 def getPortList():
     ret = []