diff --git a/lang/fr/gklearn/utils/isNotebook.py b/lang/fr/gklearn/utils/isNotebook.py
new file mode 100644
index 0000000..0491a36
--- /dev/null
+++ b/lang/fr/gklearn/utils/isNotebook.py
@@ -0,0 +1,16 @@
+""" Functions for python system.
+"""
+
+def isNotebook():
+    """check if code is executed in the IPython notebook.
+    """
+    try:
+        shell = get_ipython().__class__.__name__
+        if shell == 'ZMQInteractiveShell':
+            return True   # Jupyter notebook or qtconsole
+        elif shell == 'TerminalInteractiveShell':
+            return False  # Terminal running IPython
+        else:
+            return False  # Other type (?)
+    except NameError:
+        return False      # Probably standard Python interpreter
\ No newline at end of file