[CI] Dashboard+ Tensorboard Lint Hotfix (#8125)

python/ray/dashboard/client/src/pages/dashboard/tune/TuneTensorBoard.tsx

@@ -47,8 +47,8 @@ class TuneTensorBoard extends React.Component<
       <div className={classes.root}>
         {error === "TypeError: Failed to fetch" && (
           <Typography className={classes.warning} color="textSecondary">
-            Warning: Tensorboard is currently not available. View Tensorboard
-            by running "tensorboard --logdir" if not displaying below.
+            Warning: Tensorboard is currently not available. View Tensorboard by
+            running "tensorboard --logdir" if not displaying below.
           </Typography>
         )}
         <iframe

python/ray/dashboard/dashboard.py

@@ -43,7 +43,6 @@ from ray.dashboard.metrics_exporter.client import MetricsExportClient
 try:
     from ray.tune.result import DEFAULT_RESULTS_DIR
     from ray.tune import Analysis
-    from tensorboard import program
 except ImportError:
     Analysis = None