Fix invalid default value.

Signed-off-by: David Oberacker <[email protected]>

ros_bt_py/ros_bt_py/custom_types.py

@@ -30,65 +30,69 @@
 import rosidl_runtime_py
 import rosidl_runtime_py.utilities
 
-
-class FilePath(object):
-    def __init__(self, path=''):
-        self.path = path
-
-
-#TODO Math types for operation and operand remain in `helpers.py`
+# TODO Math types for operation and operand remain in `helpers.py`
 # to not cause a breaking change. If those are ever updated,
 # they should be moved here.
 from .helpers import MathBinaryOperator, MathUnaryOperator
 from .helpers import MathOperandType, MathUnaryOperandType
 
 
+class FilePath(object):
+    def __init__(self, path=""):
+        self.path = path
+
+
 class RosType(ABC):
-    #NOTE Subclasses should supply a working default
+    # NOTE Subclasses should supply a working default
     @abstractmethod
     def __init__(self, type_str):
         self.type_str = type_str
 
-    #NOTE We can't do the conversion in `__init__`,
+    # NOTE We can't do the conversion in `__init__`,
     # because jsonpickle bypasses the init function.
     @abstractmethod
     def get_type_obj(self):
         pass
-
+
+
 class RosTopicType(RosType):
-    def __init__(self, type_str='std_msgs/msg/Empty'):
+    def __init__(self, type_str="std_msgs/msg/Empty"):
         super().__init__(type_str)
 
     def get_type_obj(self):
         return rosidl_runtime_py.utilities.get_message(self.type_str)
-
+
+
 class RosServiceType(RosType):
-    def __init__(self, type_str='std_srvs/srv/Trigger'):
+    def __init__(self, type_str="std_srvs/srv/Trigger"):
         super().__init__(type_str)
 
     def get_type_obj(self):
         return rosidl_runtime_py.utilities.get_service(self.type_str)
-
+
+
 class RosActionType(RosType):
-    def __init__(self, type_str='ros_bt_py_interfaces/action/Empty'):
+    def __init__(self, type_str="example_interfaces/action/Fibonacci"):
         super().__init__(type_str)
 
     def get_type_obj(self):
         return rosidl_runtime_py.utilities.get_action(self.type_str)
 
 
-
-#NOTE These should only be used if the service name is specified via options.
+# NOTE These should only be used if the service name is specified via options.
 # If the name is specified via inputs just use string instead
 class RosName(ABC):
-    def __init__(self, name=''):
+    def __init__(self, name=""):
         self.name = name
 
+
 class RosTopicName(RosName):
     pass
 
+
 class RosServiceName(RosName):
     pass
 
+
 class RosActionName(RosName):
-    pass
+    pass