Address minor issues

Signed-off-by: Emerson Knapp <emerson.b.knapp@gmail.com>

ros2node/ros2node/api/__init__.py

@@ -51,7 +51,7 @@ def parse_node_name(node_name):
 
 def annotate_duplicate_nodes(node_names: List[NodeName]) -> Tuple[bool, List[str]]:
     """
-    Annotate a list of node names with a warnings if names are not unique.
+    Annotate a list of node names with a warning if names are not unique.
 
     :param node_names: list of all NodeNames observed in the graph
     :return Tuple containing:
@@ -66,13 +66,13 @@ def annotate_duplicate_nodes(node_names: List[NodeName]) -> Tuple[bool, List[str
         count = name_count.get(n.full_name, 0) + 1
         if count > 1:
             any_duplicates = True
-        name_count[n.full_name] = name_count.get(n.full_name, 0) + 1
+        name_count[n.full_name] = count
 
-    sorted_names = sorted(
+    annotated_names = [
         n.full_name + (annotation_string if name_count[n.full_name] > 1 else '')
         for n in node_names
-    )
-    return any_duplicates, sorted_names
+    ]
+    return any_duplicates, annotated_names
 
 
 def get_node_names(*, node, include_hidden_nodes=False):

ros2node/ros2node/verb/list.py

@@ -11,6 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 import sys
 
 from ros2cli.node.strategy import add_arguments