Update app.py

app.py

@@ -10,6 +10,10 @@ if os.path.exists(".env"):
 
 OPENAI_API_KEY = os.getenv("OPENAI_API_KEY")
 
+# ✅ Ensure OpenAI API Key Exists
+if not OPENAI_API_KEY:
+    raise ValueError("Missing OpenAI API Key! Make sure .env file contains OPENAI_API_KEY.")
+
 client = OpenAI(api_key=OPENAI_API_KEY)
 
 def respond(user_message, history):
@@ -37,7 +41,7 @@ def respond(user_message, history):
 
     return "", history
 
-# ✅ Ensure MathJax is enabled for LaTeX rendering
+# ✅ Ensure Gradio UI Loads
 with gr.Blocks() as demo:
     gr.Markdown("# AI-Guided Math PD Chatbot")
 
@@ -56,15 +60,5 @@ with gr.Blocks() as demo:
         outputs=[state_history]
     )
 
-    gr.Markdown(
-        """
-        <script>
-            MathJax = {
-                tex: { inlineMath: [['$', '$'], ['\\(', '\\)']], displayMath: [['$$', '$$']] }
-            };
-        </script>
-        """
-    )
-
 if __name__ == "__main__":
     demo.launch(server_name="0.0.0.0", server_port=7860, share=True)