fix tile load error when cache is not supported

cff29546 · Apr 20, 2023 · 203280b · 203280b
1 parent 99d7e27
commit 203280b
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/pzmap2dzi/texture.py b/pzmap2dzi/texture.py
@@ -208,7 +208,10 @@ def save_to_cache(self, name, t):
                 extra[0] = 1
 
             # free current and reload using shared memory
-            return self.load_from_cache(name)
+            cached = self.load_from_cache(name)
+            if cached:
+                return cached
+        return t
 
     def load_pages(self):
         if self.texture_path: