stricter

pydata · Aug 25, 2024 · d54210c · d54210c
1 parent 0b2f21b
commit d54210c
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/xarray/namedarray/core.py b/xarray/namedarray/core.py
@@ -323,6 +323,10 @@ def _new(
             attributes you want to store with the array.
             Will copy the attrs from x by default.
         """
+        if not isinstance(data, _arrayfunction_or_api):
+            raise NotImplementedError(
+                f"data is not a valid duckarray, got {data=}, {dims=}"
+            )
         return _new(self, dims, data, attrs)
 
     def _replace(
@@ -351,6 +355,10 @@ def _replace(
             attributes you want to store with the array.
             Will copy the attrs from x by default.
         """
+        if not isinstance(data, _arrayfunction_or_api):
+            raise NotImplementedError(
+                f"data is not a valid duckarray, got {data=}, {dims=}"
+            )
         return cast("Self", self._new(dims, data, attrs))
 
     def _copy(