diff --git a/validphys2/src/validphys/tests/photon/test_compute.py b/validphys2/src/validphys/tests/photon/test_compute.py
index b7942cf468..b17547dcb0 100644
--- a/validphys2/src/validphys/tests/photon/test_compute.py
+++ b/validphys2/src/validphys/tests/photon/test_compute.py
@@ -8,9 +8,9 @@
 from n3fit.io.writer import XGRID
 from validphys.api import API
 from validphys.core import PDF as PDFset
-from validphys.photon import structure_functions as sf
-from validphys.photon.compute import Alpha, Photon, FIATLUX_DEFAULT
 from validphys.loader import FallbackLoader
+from validphys.photon import structure_functions as sf
+from validphys.photon.compute import FIATLUX_DEFAULT, Alpha, Photon
 
 from ..conftest import PDF
 
@@ -22,7 +22,7 @@
     "luxset": PDFset(PDF),
     "additional_errors": PDFset('LUXqed17_plus_PDF4LHC15_nnlo_100'),
     "luxseed": 123456789,
-    "eps_base": 1e-2, # using low precision to speed up tests
+    "eps_base": 1e-2,  # using low precision to speed up tests
 }
 
 
diff --git a/validphys2/src/validphys/tests/photon/test_structurefunctions.py b/validphys2/src/validphys/tests/photon/test_structurefunctions.py
index 52f68f0a22..571ae765f2 100644
--- a/validphys2/src/validphys/tests/photon/test_structurefunctions.py
+++ b/validphys2/src/validphys/tests/photon/test_structurefunctions.py
@@ -18,7 +18,7 @@ def xfxQ(self, x, Q):
         res[21] = 0.0
         res[22] = 0.0
         return res
-    
+
     def xfxQ2(self, i, x, Q2):
         return self.xfxQ(x, np.sqrt(Q2))[i]
 
@@ -61,7 +61,6 @@ def test_zero_pdfs():
             np.testing.assert_allclose(fl.fxq(x, Q), 0.0)
 
 
-
 def test_zero_grid(monkeypatch):
     "test that a zero grid gives a zero structure function"
     # patching pineappl.fk_table.FkTable to use ZeroFKTable
@@ -73,7 +72,6 @@ def test_zero_grid(monkeypatch):
             np.testing.assert_allclose(structurefunc.fxq(x, Q), 0.0, rtol=1e-5)
 
 
-
 def test_params():
     "test initialization of parameters"
     pdfs = PDFset(PDF).load()