Add Loader=yaml.Loader to yaml.load (ros#178)

Author: thecharlesjenkins

scripts/dynparam

@@ -110,7 +110,7 @@ Examples:
     node = args[0]
     if len(args) == 2:
         node, value = args[0], args[1]
-        values_dict = yaml.load(value)
+        values_dict = yaml.load(value, Loader=yaml.Loader)
         if type(values_dict) != dict:
             parser.error('invalid arguments. Please specify either a node name, parameter name and parameter value, or a node name and a YAML dictionary')
     elif len(args) == 3:
@@ -159,7 +159,7 @@ def do_load():
     f = open(path, 'r')
     try:
         params = {}
-        for doc in yaml.load_all(f.read()):
+        for doc in yaml.load_all(f.read(), Loader=yaml.Loader):
             params.update(doc)
     finally:
         f.close()