Changed output format for import email message.

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

transfer_service/import_executor.py

@@ -193,7 +193,8 @@ class ImportExecutor(TaskExecutor):
             m.setMessageWithAttachment("VOSpace import notification", msg, nodeListFile)
         else:
             info = f"""
-                   INFO: this operation involved a number of nodes greater than 10^5,
+            INFO: 
+            this operation involved a number of nodes greater than 10^5,
             you will find the results in {self.resDir}.
 
             """