Index: helpers.py
==================================================================
--- helpers.py
+++ helpers.py
@@ -1,11 +1,11 @@
 # Useful tools
 
 import os
+import shutil
 import zipfile
 
-from distutils import dir_util, file_util
 from string import Template
 
 
 class cd:
     "Context manager for changing the current working directory"
@@ -22,11 +22,11 @@
 
 def unzip (spfZip, spDest, bCreatePath=False):
     "unzip file <spfZip> at <spfDest>"
     if spDest:
         if bCreatePath and not os.path.exists(spDest):
-            dir_util.mkpath(spDest)
+            os.makedirs(spDest, exist_ok=True)
         print("> unzip in: "+ spDest)
         spInstall = os.path.abspath(spDest)
         if os.path.isdir(spInstall):
             eraseFolder(spInstall)
             with zipfile.ZipFile(spfZip) as hZip:
@@ -37,26 +37,25 @@
         print("path destination is empty")
 
 
 def eraseFolder (sp):
     "erase content of a folder"
-    # recursive!!!
     for sf in os.listdir(sp):
-        spf = sp + "/" + sf
-        if os.path.isdir(spf):
-            eraseFolder(spf)
-        else:
-            try:
-                os.remove(spf)
-            except:
-                print("%s not removed" % spf)
+        spf = os.path.join(sp, sf)
+        try:
+            if os.path.isfile(spf):
+                os.unlink(spf)
+            elif os.path.isdir(spf):
+                shutil.rmtree(spf)
+        except Exception as e:
+            print(e)
 
 
 def createCleanFolder (sp):
     "make an empty folder or erase its content if not empty"
     if not os.path.exists(sp):
-        dir_util.mkpath(sp)
+        os.makedirs(sp, exist_ok=True)
     else:
         eraseFolder(sp)
 
 
 def fileFile (spf, dVars):