Update app.py

app.py

@@ -30,10 +30,12 @@ with gr.Blocks(theme=theme, title="Binary Biology") as app:
 
 if __name__ == "__main__":
     try:
+        subprocess.run(['apt', 'update'])
         subprocess.run(['apt', 'install', '-y', 'graphviz'])
         print("Graphviz installed successfully")
     except Exception:
         try:
+            subprocess.run(['sudo', 'apt', 'update'])
             subprocess.run(['sudo', 'apt', 'install', '-y', 'graphviz'])
             print("Graphviz installed successfully using sudo")
         except: