diff --git a/PhysicsAnalysis/D3PDMaker/egammaD3PDMaker/python/CorrectionClusterD3PDObject.py b/PhysicsAnalysis/D3PDMaker/egammaD3PDMaker/python/CorrectionClusterD3PDObject.py
index 2528bbe8c2e414d4bbe56bd8c6228cc2b510f484..1efcd7c3c021e1ba0d1c847dc58d087de6e2966d 100644
--- a/PhysicsAnalysis/D3PDMaker/egammaD3PDMaker/python/CorrectionClusterD3PDObject.py
+++ b/PhysicsAnalysis/D3PDMaker/egammaD3PDMaker/python/CorrectionClusterD3PDObject.py
@@ -12,6 +12,7 @@
 from D3PDMakerCoreComps.D3PDObject    import make_SGDataVector_D3PDObject
 from egammaD3PDAnalysis.TileGapConfig import TileGapConfig
 from D3PDMakerCoreComps.D3PDObject    import DeferArg
+from D3PDMakerCoreComps.resolveSGKey  import resolveSGKey # noqa: F401
 import EventCommonD3PDMaker
 import D3PDMakerCoreComps
 import CaloD3PDMaker
diff --git a/PhysicsAnalysis/D3PDMaker/egammaD3PDMaker/python/ElectronD3PDObject.py b/PhysicsAnalysis/D3PDMaker/egammaD3PDMaker/python/ElectronD3PDObject.py
index b0df9756add61c847cd62f4553852f78da7f40d2..42c49237a45bfec8aceb3c434669b851d210dd8e 100644
--- a/PhysicsAnalysis/D3PDMaker/egammaD3PDMaker/python/ElectronD3PDObject.py
+++ b/PhysicsAnalysis/D3PDMaker/egammaD3PDMaker/python/ElectronD3PDObject.py
@@ -15,6 +15,7 @@ from D3PDMakerCoreComps.D3PDObject          import DeferArg
 from D3PDMakerCoreComps.SimpleAssociation   import SimpleAssociation
 from D3PDMakerCoreComps.IndexMultiAssociation import IndexMultiAssociation
 from D3PDMakerCoreComps.resolveSGKey        import testSGKey
+from D3PDMakerCoreComps.resolveSGKey        import resolveSGKey # noqa: F401
 from D3PDMakerConfig.D3PDMakerFlags         import D3PDMakerFlags
 from RecExConfig.RecFlags                   import rec
 import egammaD3PDMaker
diff --git a/PhysicsAnalysis/D3PDMaker/egammaD3PDMaker/python/PhotonD3PDObject.py b/PhysicsAnalysis/D3PDMaker/egammaD3PDMaker/python/PhotonD3PDObject.py
index fbf504ce8a1cf20e37085bac4469c387ea1968bd..81757134e46add9fd704287d00251aa63e6936f1 100644
--- a/PhysicsAnalysis/D3PDMaker/egammaD3PDMaker/python/PhotonD3PDObject.py
+++ b/PhysicsAnalysis/D3PDMaker/egammaD3PDMaker/python/PhotonD3PDObject.py
@@ -14,6 +14,7 @@ from D3PDMakerCoreComps.D3PDObject           import DeferArg
 from D3PDMakerCoreComps.SimpleAssociation    import SimpleAssociation
 from D3PDMakerConfig.D3PDMakerFlags          import D3PDMakerFlags
 from D3PDMakerCoreComps.resolveSGKey         import testSGKey
+from D3PDMakerCoreComps.resolveSGKey         import resolveSGKey # noqa: F401
 from TrackD3PDMaker.xAODTrackSummaryFiller   import xAODTrackSummaryFiller
 from D3PDMakerCoreComps.ContainedVectorMultiAssociation import ContainedVectorMultiAssociation
 from RecExConfig.RecFlags                    import rec