diff --git a/tracetools_test/test/test_node.py b/tracetools_test/test/test_node.py
index b2086de..08973e2 100644
--- a/tracetools_test/test/test_node.py
+++ b/tracetools_test/test/test_node.py
@@ -18,7 +18,12 @@ class TestNode(unittest.TestCase):
         session_name_prefix = 'session-test-node-creation'
         test_node = ['test_publisher']
 
-        exit_code, full_path = run_and_trace(BASE_PATH, session_name_prefix, node_creation_events, None, PKG, test_node)
+        exit_code, full_path = run_and_trace(BASE_PATH,
+                                             session_name_prefix,
+                                             node_creation_events,
+                                             None,
+                                             PKG,
+                                             test_node)
         self.assertEqual(exit_code, 0)
 
         trace_events = get_trace_event_names(full_path)
diff --git a/tracetools_test/test/test_publisher.py b/tracetools_test/test/test_publisher.py
index ea7da55..2c058b9 100644
--- a/tracetools_test/test/test_publisher.py
+++ b/tracetools_test/test/test_publisher.py
@@ -17,7 +17,12 @@ class TestPublisher(unittest.TestCase):
         session_name_prefix = 'session-test-publisher-creation'
         test_node = ['test_publisher']
 
-        exit_code, full_path = run_and_trace(BASE_PATH, session_name_prefix, publisher_creation_events, None, PKG, test_node)
+        exit_code, full_path = run_and_trace(BASE_PATH,
+                                             session_name_prefix,
+                                             publisher_creation_events,
+                                             None,
+                                             PKG,
+                                             test_node)
         self.assertEqual(exit_code, 0)
 
         trace_events = get_trace_event_names(full_path)
diff --git a/tracetools_test/test/test_subscription.py b/tracetools_test/test/test_subscription.py
index 09e63fb..d689c8f 100644
--- a/tracetools_test/test/test_subscription.py
+++ b/tracetools_test/test/test_subscription.py
@@ -18,7 +18,12 @@ class TestSubscription(unittest.TestCase):
         session_name_prefix = 'session-test-subscription-creation'
         test_node = ['test_subscription']
 
-        exit_code, full_path = run_and_trace(BASE_PATH, session_name_prefix, subscription_creation_events, None, PKG, test_node)
+        exit_code, full_path = run_and_trace(BASE_PATH,
+                                             session_name_prefix,
+                                             subscription_creation_events,
+                                             None,
+                                             PKG,
+                                             test_node)
         self.assertEqual(exit_code, 0)
 
         trace_events = get_trace_event_names(full_path)
diff --git a/tracetools_test/test/test_subscription_callback.py b/tracetools_test/test/test_subscription_callback.py
index cdd5b94..c0112f0 100644
--- a/tracetools_test/test/test_subscription_callback.py
+++ b/tracetools_test/test/test_subscription_callback.py
@@ -18,7 +18,12 @@ class TestSubscriptionCallback(unittest.TestCase):
         session_name_prefix = 'session-test-subscription-callback'
         test_nodes = ['test_ping', 'test_pong']
 
-        exit_code, full_path = run_and_trace(BASE_PATH, session_name_prefix, subscription_callback_events, None, PKG, test_nodes)
+        exit_code, full_path = run_and_trace(BASE_PATH,
+                                             session_name_prefix,
+                                             subscription_callback_events,
+                                             None,
+                                             PKG,
+                                             test_nodes)
         self.assertEqual(exit_code, 0)
 
         trace_events = get_trace_event_names(full_path)
diff --git a/tracetools_test/test/test_timer.py b/tracetools_test/test/test_timer.py
index 950ce47..6716ee7 100644
--- a/tracetools_test/test/test_timer.py
+++ b/tracetools_test/test/test_timer.py
@@ -20,7 +20,12 @@ class TestTimer(unittest.TestCase):
         session_name_prefix = 'session-test-timer-all'
         test_nodes = ['test_timer']
 
-        exit_code, full_path = run_and_trace(BASE_PATH, session_name_prefix, timer_events, None, PKG, test_nodes)
+        exit_code, full_path = run_and_trace(BASE_PATH,
+                                             session_name_prefix,
+                                             timer_events,
+                                             None,
+                                             PKG,
+                                             test_nodes)
         self.assertEqual(exit_code, 0)
 
         trace_events = get_trace_event_names(full_path)