whats going on with boolean

Author: MarcoGorelli

pandas/core/interchange/buffer.py

@@ -115,7 +115,7 @@ def bufsize(self) -> int:
         """
         Buffer size in bytes.
         """
-        return self._buffer.size * self._length
+        return self._buffer.size  # * self._length
 
     @property
     def ptr(self) -> int:

pandas/core/interchange/column.py

@@ -318,6 +318,13 @@ def _get_data_buffer(
                 buffer = PandasBufferPyarrow(
                     arr._pa_array, is_validity=False, allow_copy=self._allow_copy
                 )
+                if self.dtype[0] == DtypeKind.BOOL:
+                    dtype = (
+                        DtypeKind.BOOL,
+                        1,
+                        ArrowCTypes.BOOL,
+                        Endianness.NATIVE,
+                    )
                 return buffer, dtype
             if isinstance(self._col.dtype, BaseMaskedDtype):
                 np_arr = arr._data  # type: ignore[attr-defined]