diff --git a/2_customized_job/2_0_custom_python_job.ipynb b/2_customized_job/2_0_custom_python_job.ipynb
index d3190b2..6ab04f7 100644
--- a/2_customized_job/2_0_custom_python_job.ipynb
+++ b/2_customized_job/2_0_custom_python_job.ipynb
@@ -34,10 +34,6 @@
    "outputs": [],
    "source": [
     "class harmonicEnergy(PythonTemplateJob):\n",
-    "    def __init__(self, project, job_name):\n",
-    "        super(harmonicEnergy, self).__init__(project, job_name)\n",
-    "        self.input=DataContainer(table_name='inputs')\n",
-    "\n",
     "    def read_input(self, file_name):\n",
     "        self.input.read(file_name)\n",
     "    \n",