diff --git a/tracetools_analysis/tracetools_analysis/processor/cpu_time.py b/tracetools_analysis/tracetools_analysis/processor/cpu_time.py
index e860b3f..4fba217 100644
--- a/tracetools_analysis/tracetools_analysis/processor/cpu_time.py
+++ b/tracetools_analysis/tracetools_analysis/processor/cpu_time.py
@@ -18,9 +18,9 @@ from typing import Dict
 
 from tracetools_read.utils import get_field
 
-from ..data_model.cpu_time import CpuTimeDataModel
 from .handler import EventHandler
 from .handler import EventMetadata
+from ..data_model.cpu_time import CpuTimeDataModel
 
 
 class CpuTimeProcessor(EventHandler):
diff --git a/tracetools_analysis/tracetools_analysis/processor/ros2.py b/tracetools_analysis/tracetools_analysis/processor/ros2.py
index 49e97e7..4df0301 100644
--- a/tracetools_analysis/tracetools_analysis/processor/ros2.py
+++ b/tracetools_analysis/tracetools_analysis/processor/ros2.py
@@ -18,9 +18,9 @@ from typing import Dict
 
 from tracetools_read.utils import get_field
 
-from ..data_model.ros import RosDataModel
 from .handler import EventHandler
 from .handler import EventMetadata
+from ..data_model.ros import RosDataModel
 
 
 class Ros2Processor(EventHandler):