diff --git a/test_regress/t/t_trace_dumpvars_context.py b/test_regress/t/t_trace_dumpvars_context.py
index 558d60a06..96746adc4 100644
--- a/test_regress/t/t_trace_dumpvars_context.py
+++ b/test_regress/t/t_trace_dumpvars_context.py
@@ -13,4 +13,3 @@ import trace_dumpvars_common
 test.scenarios('vlt')
 
 trace_dumpvars_common.run(test)
-
diff --git a/test_regress/t/t_trace_dumpvars_hier_struct.py b/test_regress/t/t_trace_dumpvars_hier_struct.py
index 558d60a06..96746adc4 100644
--- a/test_regress/t/t_trace_dumpvars_hier_struct.py
+++ b/test_regress/t/t_trace_dumpvars_hier_struct.py
@@ -13,4 +13,3 @@ import trace_dumpvars_common
 test.scenarios('vlt')
 
 trace_dumpvars_common.run(test)
-
diff --git a/test_regress/t/t_trace_dumpvars_missing5.py b/test_regress/t/t_trace_dumpvars_missing5.py
index 5d72fbb34..96746adc4 100644
--- a/test_regress/t/t_trace_dumpvars_missing5.py
+++ b/test_regress/t/t_trace_dumpvars_missing5.py
@@ -12,4 +12,4 @@ import trace_dumpvars_common
 
 test.scenarios('vlt')
 
-trace_dumpvars_common.run(test)
\ No newline at end of file
+trace_dumpvars_common.run(test)
diff --git a/test_regress/t/trace_dumpvars_common.py b/test_regress/t/trace_dumpvars_common.py
index 164b81538..6bb3782ad 100644
--- a/test_regress/t/trace_dumpvars_common.py
+++ b/test_regress/t/trace_dumpvars_common.py
@@ -145,4 +145,4 @@ def run(test):
         else:
             test.vcd_identical(test.trace_filename, test.golden_filename)
 
-    test.passes()
\ No newline at end of file
+    test.passes()