diff --git a/lenstronomy/Data/psf.py b/lenstronomy/Data/psf.py
index 029529b9b..2641e1613 100644
--- a/lenstronomy/Data/psf.py
+++ b/lenstronomy/Data/psf.py
@@ -169,7 +169,9 @@ def kernel_point_source_supersampled(self, supersampling_factor, updata_cache=Tr
         ):
             kernel_point_source_supersampled = self._kernel_point_source_supersampled
             return kernel_point_source_supersampled
-        if hasattr(self, "_kernel_point_source_init") and hasattr(self, "_point_source_supersampling_factor_init"):
+        if hasattr(self, "_kernel_point_source_init") and hasattr(
+            self, "_point_source_supersampling_factor_init"
+        ):
             if self._point_source_supersampling_factor_init == supersampling_factor:
                 kernel_point_source_supersampled = self._kernel_point_source_init
                 return kernel_point_source_supersampled
diff --git a/test/test_Data/test_psf.py b/test/test_Data/test_psf.py
index 38dc2cd38..a7de9beb4 100644
--- a/test/test_Data/test_psf.py
+++ b/test/test_Data/test_psf.py
@@ -142,13 +142,17 @@ def test_supersampling_repeated(self):
             "kernel_point_source": kernel_point_source_subsampled,
             "point_source_supersampling_factor": subsampling_res,
             "kernel_point_source_normalisation": False,
-
         }
         psf = PSF(**kwargs_pixel_subsampled)
-        kernel_supersampled_new = psf.kernel_point_source_supersampled(supersampling_factor=subsampling_res - 1,
-                                                                       updata_cache=True)
-        kernel_supersampled_origin = psf.kernel_point_source_supersampled(supersampling_factor=subsampling_res)
-        npt.assert_almost_equal(kernel_supersampled_origin, kernel_point_source_subsampled)
+        kernel_supersampled_new = psf.kernel_point_source_supersampled(
+            supersampling_factor=subsampling_res - 1, updata_cache=True
+        )
+        kernel_supersampled_origin = psf.kernel_point_source_supersampled(
+            supersampling_factor=subsampling_res
+        )
+        npt.assert_almost_equal(
+            kernel_supersampled_origin, kernel_point_source_subsampled
+        )
 
     def test_fwhm(self):
         deltaPix = 1.0