Changed threshold of num of nodes for import email notification.

Signed-off-by: Cristiano Urban <cristiano.urban@inaf.it>

transfer_service/import_executor.py

@@ -190,7 +190,7 @@ class ImportExecutor(TaskExecutor):
 
         """
         
-        if len(nodeList) <= 4 * (10 ** 3):            
+        if len(nodeList) <= 10 ** 5:            
             m.setMessageWithAttachment("VOSpace import notification", msg, nodeListFile)
         else:
             info = f"""