diff --git a/tracetools_analysis/test/tracetools_analysis/test_dependency_solver.py b/tracetools_analysis/test/tracetools_analysis/test_dependency_solver.py
index 7e33d0d..2f909f6 100644
--- a/tracetools_analysis/test/tracetools_analysis/test_dependency_solver.py
+++ b/tracetools_analysis/test/tracetools_analysis/test_dependency_solver.py
@@ -37,6 +37,7 @@ class DepOne2(Dependant):
     def dependencies():
         return [DepEmtpy]
 
+
 class DepTwo(Dependant):
 
     @staticmethod
@@ -59,7 +60,7 @@ class TestDependencySolver(unittest.TestCase):
         self.assertEqual(len(solution), 2, 'solution length invalid')
         self.assertIsInstance(solution[0], DepEmtpy)
         self.assertIs(solution[1], depone_instance)
-    
+
     def test_single_dep_existing(self) -> None:
         depempty_instance = DepEmtpy()
         depone_instance = DepOne()
diff --git a/tracetools_analysis/tracetools_analysis/processor/__init__.py b/tracetools_analysis/tracetools_analysis/processor/__init__.py
index cf2dc1a..ae7dae0 100644
--- a/tracetools_analysis/tracetools_analysis/processor/__init__.py
+++ b/tracetools_analysis/tracetools_analysis/processor/__init__.py
@@ -15,7 +15,6 @@
 """Base processor module."""
 
 from collections import defaultdict
-from typing import Any
 from typing import Callable
 from typing import Dict
 from typing import List