From b8d19ccb634f1b0b817294c7ea28f3df6bdb6526 Mon Sep 17 00:00:00 2001
From: Deepak Cherian <dcherian@users.noreply.github.com>
Date: Mon, 4 Nov 2024 13:06:11 -0700
Subject: [PATCH] Make persisting useful (#96)

persist does not work in-place.
---
 xpublish_wms/wms/get_map.py | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/xpublish_wms/wms/get_map.py b/xpublish_wms/wms/get_map.py
index d386dbe..8f09f38 100644
--- a/xpublish_wms/wms/get_map.py
+++ b/xpublish_wms/wms/get_map.py
@@ -284,13 +284,13 @@ def render(
 
         start_dask = time.time()
 
-        da.persist()
+        da = da.persist()
         if x is not None and y is not None:
-            x.persist()
-            y.persist()
+            x = x.persist()
+            y = y.persist()
         else:
-            da.x.persist()
-            da.y.persist()
+            da["x"] = da.x.persist()
+            da["y"] = da.y.persist()
 
         logger.debug(f"dask compute: {time.time() - start_dask}")