Update app.py

app.py

@@ -217,27 +217,38 @@ def ask_cancer_question(question, session_id="user_session"):
 
 #     return chat_loop
 
-def interactive_chat(question,api_key):
-    os.environ["OPENAI_API_KEY"]=api_key
-    chat_history = ""
+def interactive_chat(question, api_key):
+    global chat_history  # Maintain history across function calls
 
-    # Inside chat_loop
+    # Set OpenAI API Key (only if it's not set already)
+    if "OPENAI_API_KEY" not in os.environ:
+        os.environ["OPENAI_API_KEY"] = api_key  
+
+    session_id = "user_session"  # Define session ID
+
+    # Exit condition
     if question.lower() == "exit":
-        return chat_history + "\nExiting the interactive question loop."
-    
+        return "\n".join(chat_history) + "\nExiting the interactive question loop."
+
+    # Call cancer question function
     response = ask_cancer_question(question, session_id)
-    chat_history += f"\nUser: {question}\nBot: {response}"
-    return chat_history
 
-demo = gr.Interface(
-                fn=interactive_chat,
-                inputs=[gr.Textbox(lines=2, placeholder="Ask a cancer-related question...", elem_id="query_input"),
-                        gr.Textbox(label="Enter Open_AI_API Key",placeholder="Enter OpenAI API Key",type="password",lines=1,elem_id="openai_input")],
-                outputs=gr.Textbox(lines=10, elem_id="Output"),
-                title="Cancer_Researcher_AI",
-                description="Ask cancer-related questions and receive responses based on relevant research."
-            )
+    # Store conversation
+    chat_history.append(f"User: {question}\nBot: {response}")
 
+    return "\n".join(chat_history)  # Return full chat history
+
+# 🎨 Gradio UI
+demo = gr.Interface(
+    fn=interactive_chat,
+    inputs=[
+        gr.Textbox(lines=2, placeholder="Ask a cancer-related question...", elem_id="query_input"),
+        gr.Textbox(label="🔑 Enter OpenAI API Key", placeholder="Enter OpenAI API Key", type="password", lines=1, elem_id="openai_input"),
+    ],
+    outputs=gr.Textbox(lines=10, elem_id="Output"),
+    title="🧬 Cancer Research Chatbot",
+    description="Ask cancer-related questions and receive responses based on relevant research."
+)
 
 
 title="Cancer_Researcher_AI",