Update app.py

app.py

@@ -31,8 +31,8 @@ def download_weights():
               fid.write(r.content)
 
 try:
-    download_weights()
-    model = models.CellposeModel(gpu=True, pretrained_model="cpsam")
+    #download_weights()
+    model = models.CellposeModel(gpu=True, pretrained_model="cyto3", channels = [0,0])
 except Exception as e:
     print(f"Error loading model: {e}")
     exit(1)