Update app.py

app.py

@@ -1,5 +1,5 @@
 import streamlit as st  # 📚 Importing Streamlit to create our awesome app!
-import streamlit_mermaid  # 🧜‍♀️ Mermaid diagrams in Streamlit!
+#import streamlit_mermaid  # 🧜‍♀️ Mermaid diagrams in Streamlit!
 import os  # 📁 For file operations, because who doesn't like saving stuff?
 
 # 🖼️ Setting the page configuration to make it look neat.
@@ -176,7 +176,11 @@ with col6:
 
 # 🧜‍♀️ Displaying the Mermaid diagram for Diagram 3
 st.markdown("#### Diagram 3:")
-streamlit_mermaid.mermaid(mermaid_code3)
+st.markdown('''
+```mermaid
+{mermaid_code3}
+```
+            '''
 
 # 🏗️ Introducing Specific Knowledge Graphs.
 st.markdown("# V. Specific Knowledge Graphs")