diff --git a/PhysicsAnalysis/PhysicsValidation/PhysValMonitoring/CMakeLists.txt b/PhysicsAnalysis/PhysicsValidation/PhysValMonitoring/CMakeLists.txt
index fbaa4c753918567a716d605aae683e74a64c82ad..7a0c27fb167f1d24a0a523a511378495d0e0cde8 100644
--- a/PhysicsAnalysis/PhysicsValidation/PhysValMonitoring/CMakeLists.txt
+++ b/PhysicsAnalysis/PhysicsValidation/PhysValMonitoring/CMakeLists.txt
@@ -1,28 +1,8 @@
-################################################################################
-# Package: PhysValMonitoring
-################################################################################
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 # Declare the package name:
 atlas_subdir( PhysValMonitoring )
 
-# Declare the package's dependencies:
-atlas_depends_on_subdirs( PUBLIC
-                          GaudiKernel
-                          PRIVATE
-                          Control/AthenaBaseComps
-                          Control/AthenaMonitoring
-                          Event/xAOD/xAODBTagging
-                          Event/xAOD/xAODBase
-                          Event/xAOD/xAODEgamma
-                          Event/xAOD/xAODEventInfo
-                          Event/xAOD/xAODJet
-                          Event/xAOD/xAODMissingET
-                          Event/xAOD/xAODMuon
-                          Event/xAOD/xAODTau
-                          Event/xAOD/xAODTracking
-                          Reconstruction/RecEvent
-                          Tracking/TrkValidation/TrkValHistUtils )
-
 # External dependencies:
 find_package( CLHEP )
 find_package( ROOT COMPONENTS Core Tree MathCore Hist RIO pthread )
@@ -36,5 +16,4 @@ atlas_add_component( PhysValMonitoring
 
 # Install files from the package:
 atlas_install_joboptions( share/*.py )
-atlas_install_python_modules( python/*.py )
-
+atlas_install_python_modules( python/*.py POST_BUILD_CMD ${ATLAS_FLAKE8} )
diff --git a/PhysicsAnalysis/PhysicsValidation/PhysValMonitoring/python/PhysValUtils.py b/PhysicsAnalysis/PhysicsValidation/PhysValMonitoring/python/PhysValUtils.py
index ab40a0e50a61456a20e7337d1e92d817b2468fa6..a0be1eb29fe1cea72b1a3fc64cb4c31bab5a52aa 100644
--- a/PhysicsAnalysis/PhysicsValidation/PhysValMonitoring/python/PhysValUtils.py
+++ b/PhysicsAnalysis/PhysicsValidation/PhysValMonitoring/python/PhysValUtils.py
@@ -1,3 +1,4 @@
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 # Defining a python module with helpers for Physics Validation
 
 from AthenaCommon.Logging import logging
@@ -38,7 +39,7 @@ def addPhysValAODContent(algseq,doJets,doTopoCluster):
                              Timer=0 # No timing information
                              )
 
-        from JetRec.JetRecConf import JetAlgorithm
+        from JetRec.JetRecConf import JetAlgorithm  # noqa: F401
         algseq += CfgMgr.JetAlgorithm("jetalgPhysVal",Tools=[jtm.jetrun_PhysVal])
 
     logger.info( '******************              Done              *****************' )