More troubleshooting tips added

week1/day1.ipynb

@@ -115,7 +115,7 @@
    "source": [
     "# Load environment variables in a file called .env\n",
     "\n",
-    "load_dotenv()\n",
+    "load_dotenv(override=True)\n",
     "api_key = os.getenv('OPENAI_API_KEY')\n",
     "\n",
     "# Check the key\n",
@@ -140,8 +140,7 @@
     "openai = OpenAI()\n",
     "\n",
     "# If this doesn't work, try Kernel menu >> Restart Kernel and Clear Outputs Of All Cells, then run the cells from the top of this notebook down.\n",
-    "# If it STILL doesn't work (horrors!) then please see the troubleshooting notebook, or try the below line instead:\n",
-    "# openai = OpenAI(api_key=\"your-key-here-starting-sk-proj-\")"
+    "# If it STILL doesn't work (horrors!) then please see the Troubleshooting notebook in this folder for full instructions"
    ]
   },
   {
@@ -159,7 +158,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# To give you a preview -- calling OpenAI with these messages is this easy:\n",
+    "# To give you a preview -- calling OpenAI with these messages is this easy. Any problems, head over to the Troubleshooting notebook.\n",
     "\n",
     "message = \"Hello, GPT! This is my first ever message to you! Hi!\"\n",
     "response = openai.chat.completions.create(model=\"gpt-4o-mini\", messages=[{\"role\":\"user\", \"content\":message}])\n",