diff --git a/SciDataTool/Classes/Data1D.py b/SciDataTool/Classes/Data1D.py
index 36be5d07..e071cc0a 100644
--- a/SciDataTool/Classes/Data1D.py
+++ b/SciDataTool/Classes/Data1D.py
@@ -1,7 +1,4 @@
 # -*- coding: utf-8 -*-
-"""File generated according to SciDataTool/Generator/ClassesRef/Output/Data1D.csv
-WARNING! All changes made in this file will be lost!
-"""
 from os import linesep
 from SciDataTool.Classes._check import set_array, check_init_dict, check_var, raise_
 from SciDataTool.Functions.save import save
@@ -14,7 +11,6 @@
 except ImportError as error:
     get_values = error
 from numpy import array, array_equal, squeeze
-from SciDataTool.Classes._check import InitUnKnowClassError
 
 
 class Data1D(Data):
@@ -34,7 +30,7 @@ class Data1D(Data):
     save = save
 
     def __init__(
-        self, values=[], symbol="", name="", unit="", symmetries={}, init_dict=None,
+        self, values=[], symbol="", name="", unit="", symmetries={}, is_multiple=False, init_dict=None,
     ):
         """Constructor of the class. Can be use in two ways :
         - __init__ (arg1 = 1, arg3 = 5) every parameters have name and default values
@@ -58,6 +54,8 @@ def __init__(
                 unit = init_dict["unit"]
             if "symmetries" in list(init_dict.keys()):
                 symmetries = init_dict["symmetries"]
+            if "is_multiple" in list(init_dict.keys()):
+                is_multiple = init_dict["is_multiple"]
         # Initialisation by argument
         # values can be None, a ndarray or a list
         set_array(self, "values", squeeze(values))
diff --git a/setup.py b/setup.py
index 8c0e0be9..4df5fcc8 100644
--- a/setup.py
+++ b/setup.py
@@ -5,14 +5,14 @@
 
 setuptools.setup(
     name="SciDataTool",
-    version="0.1.1",
+    version="0.1.2",
     author="Helene Toubin",
     author_email="helene.toubin@eomys.com",
     description="Scientific Data Tool",
     long_description=long_description,
     long_description_content_type="text/markdown",
     url="https://github.com/Eomys/SciDataTool",
-    download_url="https://github.com/Eomys/SciDataTool/archive/0.1.1.tar.gz",
+    download_url="https://github.com/Eomys/SciDataTool/archive/0.1.2.tar.gz",
     packages=setuptools.find_packages(),
     classifiers=[
         "Programming Language :: Python :: 3",