diff --git a/sensor_msgs_py/sensor_msgs_py/numpy_compat.py b/sensor_msgs_py/sensor_msgs_py/numpy_compat.py
index 9e84261b..60ea95fa 100644
--- a/sensor_msgs_py/sensor_msgs_py/numpy_compat.py
+++ b/sensor_msgs_py/sensor_msgs_py/numpy_compat.py
@@ -63,7 +63,7 @@ def count_elem(dt):
                     # optimization: avoid list comprehension if no subarray
                     fields.extend(subfields)
                 else:
-                    fields.extend([(d, c, o + i*size) for d, c, o in subfields])
+                    fields.extend([(d, c, o + i * size) for d, c, o in subfields])
     return fields
 
 
diff --git a/sensor_msgs_py/sensor_msgs_py/point_cloud2.py b/sensor_msgs_py/sensor_msgs_py/point_cloud2.py
index 2e06be96..07f8ec3f 100644
--- a/sensor_msgs_py/sensor_msgs_py/point_cloud2.py
+++ b/sensor_msgs_py/sensor_msgs_py/point_cloud2.py
@@ -226,9 +226,9 @@ def dtype_from_fields(fields: Iterable[PointField], point_step: Optional[int] =
 
     # Create dtype
     dtype_dict = {
-            'names': field_names,
-            'formats': field_datatypes,
-            'offsets': field_offsets
+        'names': field_names,
+        'formats': field_datatypes,
+        'offsets': field_offsets
     }
     if point_step is not None:
         dtype_dict['itemsize'] = point_step