diff --git a/src/neuroconv/tools/hdmf.py b/src/neuroconv/tools/hdmf.py
index 7e330dda8..bda951f4a 100644
--- a/src/neuroconv/tools/hdmf.py
+++ b/src/neuroconv/tools/hdmf.py
@@ -41,7 +41,11 @@ def _get_default_buffer_shape(self, buffer_gb: float = 1.0) -> Tuple[int]:
             # Handle the case where the single axis is too large to fit in the buffer
             if axis_sizes_bytes[0] > target_buffer_bytes:
                 k1 = np.floor(target_buffer_bytes / chunk_bytes)
-                return tuple([k1 * self.chunk_shape[0],])
+                return tuple(
+                    [
+                        k1 * self.chunk_shape[0],
+                    ]
+                )
         else:
             raise ValueError(f"num_axes ({num_axes}) is less than one!")