Update BrainBot.py

BrainBot.py

@@ -49,6 +49,10 @@ with col1:
 with col2:
     st.title("Hi, I am BrainBot - Your AI Learning Assistant!")
 
+# Hide the error page link in the sidebar
+page = "error"
+st.sidebar.markdown(f"## {page}")
+
 # Main content
 st.header("Upload any 📄 file, 🖼️ image, or 🔗 webpage link and ask me anything from it!")
 st.subheader("Supported file formats: PDF, DOCX, TXT, PPTX, HTML")