diff --git a/graphcare_/graph_generation/graph_gen.ipynb b/graphcare_/graph_generation/graph_gen.ipynb
index 428638c..fb40136 100644
--- a/graphcare_/graph_generation/graph_gen.ipynb
+++ b/graphcare_/graph_generation/graph_gen.ipynb
@@ -40,7 +40,6 @@
    "source": [
     "import re \n",
     "from ChatGPT import ChatGPT\n",
-    "from ChatGPT import ChatGPT\n",
     "import json\n",
     "\n",
     "def extract_data_in_brackets(input_string):\n",