Update app.py

app.py

@@ -1,6 +1,7 @@
 import os
 import gradio as gr
 from transformers import AutoModel, AutoTokenizer
+from fastapi import FastAPI
 
 def process_models(model_name, save_dir, additional_models):
     log_lines = []
@@ -33,10 +34,12 @@ def process_models(model_name, save_dir, additional_models):
     
     return "\n".join(log_lines)
 
-# Mermaid glossary: a one-line flow summary of our UI actions.
-mermaid_glossary = """graph LR
+# A Mermaid diagram embedded in Markdown as a mini-glossary.
+mermaid_glossary = """
+```mermaid
+graph LR
 A[🚀 Model Input] --> B[Load Model]
 B --> C[💾 Save Model]
 D[🧩 Additional Models] --> B
-
-"""
+```
+"""