[minor] Linewidth fixes

Author: stephane-caron

robot_descriptions/loaders/pybullet.py

@@ -38,10 +38,13 @@ def load_robot_description(
         commit: If specified, check out that commit from the cloned robot
             description repository.
         kwargs: arguments passed to pybullet.loadURDF function, including:
-            basePosition: 3D position of the base of the robot in world coordinates.
-            baseOrientation: orientation in quaternion (xyzw) of the base of the robot in world coordinates.
+            basePosition: 3D position of the base of the robot in world
+                coordinates.
+            baseOrientation: orientation in quaternion (xyzw) of the base of
+                the robot in world coordinates.
             flags: int flags for the URDF loading in pybullet.
-            useFixedBase: boolean indicating use a fix joint between world and robot base.
+            useFixedBase: boolean indicating use a fix joint between world and
+                robot base.
             physicsClientId: int indicating the pybullet client id.
 
     Returns: