fix: fix slicing functionality

Author: willdunklin

src/e3sm_quickview/app.py

@@ -517,7 +517,7 @@ def _on_toolbar_change(self, active_tools, **_):
         for name in active_tools:
             if name == "select-slice-time":
                 track_count = len(self.state.animation_tracks or [])
-                rows_needed = max(1, (track_count + 2) // 3)  # 3 sliders per row
+                rows_needed = max([1, (track_count + 2) // 3])  # 3 sliders per row
                 top_padding += 70 * rows_needed
             else:
                 top_padding += toolbars.SIZES.get(name, 0)

src/e3sm_quickview/pipeline.py

@@ -147,9 +147,10 @@ def UpdateSlicing(self, dimension, slice):
             return
         else:
             self.slicing[dimension] = slice
-            if self.data is not None:
+            if self.ctrl_data is not None and self.test_data is not None:
                 x = json.dumps(self.slicing)
-                self.data.Slicing = x
+                self.ctrl_data.Slicing = x
+                self.test_data.Slicing = x
 
     def Update(self, ctrl_file, test_file, conn_file, variables=[], force_reload=False):
         # Check if we need to reload