(fix): nbytes value

Author: ilan-gold

xarray/core/formatting.py

@@ -336,10 +336,7 @@ def summarize_variable(
     else:
         dims_str = ""
 
-    try:
-        nbytes_str = f" {render_human_readable_nbytes(variable.nbytes)}"
-    except TypeError:
-        nbytes_str = " ?"
+    nbytes_str = f" {render_human_readable_nbytes(variable.nbytes)}"
     front_str = f"{first_col}{dims_str}{variable.dtype}{nbytes_str} "
 
     values_width = max_width - len(front_str)

xarray/core/indexing.py

@@ -1928,7 +1928,9 @@ def copy(self, deep: bool = True) -> Self:
 
     @property
     def nbytes(self) -> int:
-        return self.array.nbytes
+        if pd.api.types.is_extension_array_dtype(self.dtype):
+            return self.array.nbytes
+        return cast(np.dtype, self.dtype).itemsize * len(self.array)
 
 
 class PandasMultiIndexingAdapter(PandasIndexingAdapter):