Update app.py

app.py

@@ -492,7 +492,7 @@ def generate_example():
         results = model(val_tensor)
 
         plot, Rm, Ra, Emax, Emin, Vd,Tc, start_v = pvloop_simulator(Rm=round(results[0][4].item(),2), Ra=round(results[0][5].item(),2), Emax=results[0][2].item(), Emin=round(results[0][3].item(),2), Vd=round(results[0][6].item(),2), Tc=round(results[0][0].item(),2), start_v=round(results[0][1].item(),2))
-    
+        video = video.replace("avi", "mp4")
         return video, plot, Rm, Ra, Emax, Emin, Vd, Tc, start_v
 
 title = "Physics-informed self-supervised learning for predicting cardiac digital twins with echocardiography"