Update source/isaaclab/isaaclab/actuators/actuator_base.py

Co-authored-by: greptile-apps[bot] <165735046+greptile-apps[bot]@users.noreply.github.com>
Signed-off-by: Brian McCann <144816553+bmccann-bdai@users.noreply.github.com>

Author: bmccann-bdai

source/isaaclab/isaaclab/actuators/actuator_base.py

@@ -398,8 +398,9 @@ def _parse_joint_parameter(
                         if len(v) != expected_shape[2]:
                             raise ValueError(
                                 f"Invalid tuple length for parameter {param_name} on joint {j[i]} at index"
-                                f" {indices[i]},"
-                                + f" expected {expected_shape[2]} got {len(v)}."
+                                f"Invalid tuple length for parameter {param_name} on joint {j[i]} at index"
+                                f" {indices[i]}, "
+                                + f"expected {expected_shape[2]} got {len(v)}."
                             )
                         # Otherwise iterate through the tuple, and assign the values in order.
                         for i2, v2 in enumerate(v):