check if joint before adding qlim

jhavl · jhavl · commit d734046fd75e · 2022-02-23T15:03:21.000+10:00
diff --git a/roboticstoolbox/tools/urdf/urdf.py b/roboticstoolbox/tools/urdf/urdf.py
@@ -1759,7 +1759,8 @@ def __init__(
 
             # joint limit
             try:
-                childlink.qlim = [joint.limit.lower, joint.limit.upper]
+                if childlink.isjoint:
+                    childlink.qlim = [joint.limit.lower, joint.limit.upper]
             except AttributeError:
                 # no joint limits provided
                 pass
