diff --git a/Readme-python.txt b/Readme-python.txt
index 4bad544c2ed2e18a5c160d5aadd069f9be778cd9..c5ec3e0dd84ed6e768fd7febd7b807b41c5b136e 100644
--- a/Readme-python.txt
+++ b/Readme-python.txt
@@ -8,8 +8,12 @@ Successfully installed pip-19.0.3
 [ntird-us191-jg4:jgrelet]/c/git/python/pirata
 
 Sous Linux Ubuntu 16.04, l'upgrade de pip failed !
+---------------------------------------------------
+voir: https://askubuntu.com/questions/1025793/running-pip3-importerror-cannot-import-name-main
 Utiliser:
 > python3 -m pip install --user <package>  # instead
+
+A tester:
 Then I recommend adding the following aliases to your .bashrc:
 pip() ( python -m pip "$@" )
 pip3() ( python3 -m pip "$@" )
@@ -77,7 +81,7 @@ In setting.json:
     "python.autoComplete.addBrackets": true,
     "editor.formatOnPaste": true
 
-Modules pYthon à intaller:
+Modules Python à intaller:
 --------------------------
 Autoformatting
 ----------------------
diff --git a/roscop/roscop.py b/roscop/roscop.py
index 19297be918d51ee9414de5fdcab7497df0513514..d811dd70f4676c37c6bb9503da7c5424fdc0f63f 100644
--- a/roscop/roscop.py
+++ b/roscop/roscop.py
@@ -20,9 +20,9 @@ class Roscop:
     def __str__(self):
         return 'Class Roscop, file: %s, size = %d' % (self.file, len(self.hash))
 
-    def __getattr__(self, name):
+    def __getitem__(self, name):
         '''
-        overload r.key
+        overload r[key]
         '''
         return self.hash[name]
 
@@ -31,7 +31,7 @@ class Roscop:
 
     def disp(self, theKey):
         print("%s :" % theKey)
-        print(self.hash[theKey])
+        print(self[theKey])
 
     # read code roscop file
     def read(self):
@@ -87,6 +87,5 @@ if __name__ == "__main__":
         for k in key:
             r.disp(k)
 
-    # print(r.TEMP)
     # r.disp('TEMP')
     # print(r[key])