lint: enable ruff RET504 rule

pyproject.toml

@@ -83,7 +83,6 @@ ignore = [
     "EM102",
     "F401",
     "SIM102",
-    "RET504",
 ]
 
 [tool.mypy]

raillabel/format/frame.py

@@ -94,14 +94,13 @@ def fromdict(
             Converted Frame object.
 
         """
-        frame = Frame(
+        return Frame(
             uid=int(uid),
             timestamp=cls._timestamp_fromdict(data_dict),
             sensors=cls._sensors_fromdict(data_dict, sensors),
             frame_data=cls._frame_data_fromdict(data_dict, sensors),
             annotations=cls._objects_fromdict(data_dict, objects, sensors),
         )
-        return frame
 
     def asdict(self) -> dict:
         """Export self as a dict compatible with the OpenLABEL schema.

raillabel/format/intrinsics_pinhole.py

@@ -68,11 +68,9 @@ def asdict(self) -> dict:
             if an attribute can not be converted to the type required by the OpenLabel schema.
 
         """
-        dict_repr = {
+        return {
             "camera_matrix": list(self.camera_matrix),
             "distortion_coeffs": list(self.distortion),
             "width_px": int(self.width_px),
             "height_px": int(self.height_px),
         }
-
-        return dict_repr

raillabel/format/transform.py

@@ -52,9 +52,7 @@ def asdict(self) -> dict:
             if an attribute can not be converted to the type required by the OpenLabel schema.
 
         """
-        dict_repr = {
+        return {
             "translation": self.pos.asdict(),
             "quaternion": self.quat.asdict(),
         }
-
-        return dict_repr