[CLI] Disable --ip with --refresh when calling sky status to av…

…oid additional empty lines in output (#2691)

* add

* lint

* Update sky/cli.py

Co-authored-by: Zongheng Yang <zongheng.y@gmail.com>

* lint

---------

Co-authored-by: Zongheng Yang <zongheng.y@gmail.com>

sky/cli.py

@@ -1691,6 +1691,10 @@ def status(all: bool, refresh: bool, ip: bool, show_spot_jobs: bool,
 
     If CLUSTERS is given, show those clusters. Otherwise, show all clusters.
 
+    If --ip is specified, show the IP address of the head node of the cluster.
+    Only available when CLUSTERS contains exactly one cluster, e.g.
+    ``sky status --ip mycluster``.
+
     The following fields for each cluster are recorded: cluster name, time
     since last launch, resources, region, zone, hourly price, status, autostop,
     command.
@@ -1751,6 +1755,10 @@ def status(all: bool, refresh: bool, ip: bool, show_spot_jobs: bool,
                           limit_num_jobs_to_show=not all,
                           is_called_by_user=False))
         if ip:
+            if refresh:
+                raise click.UsageError(
+                    'Using --ip with --refresh is not supported for now. '
+                    'To fix, refresh first, then query the IP.')
             if len(clusters) != 1:
                 with ux_utils.print_exception_no_traceback():
                     plural = 's' if len(clusters) > 1 else ''