diff --git a/geomagio/residual/Calculation.py b/geomagio/residual/Calculation.py
index b4564260a52a6aabfccd93d6cc6669171e3d2fb1..ddc108a4daeecd4e9007bb1d49de9cc63e040ca6 100644
--- a/geomagio/residual/Calculation.py
+++ b/geomagio/residual/Calculation.py
@@ -48,7 +48,10 @@ def calculate(reading: Reading, adjust_reference: bool = True) -> Reading:
         reference=adjust_reference and reference or None,
     )
     # populate diagnostics object with averaged measurements
-    diagnostics = Diagnostics(inclination=inclination, meridian=meridian,)
+    diagnostics = Diagnostics(
+        inclination=inclination,
+        meridian=meridian,
+    )
     # calculate scale
     scale_value = None
     scale_measurements = reading[mt.NORTH_DOWN_SCALE]
diff --git a/geomagio/residual/SpreadsheetAbsolutesFactory.py b/geomagio/residual/SpreadsheetAbsolutesFactory.py
index ea0f300a242a5038d83fd52eaa7ae7851bc98807..1f50f794faff107c7663f9c7db9ba947749a1c1b 100644
--- a/geomagio/residual/SpreadsheetAbsolutesFactory.py
+++ b/geomagio/residual/SpreadsheetAbsolutesFactory.py
@@ -410,11 +410,17 @@ class SpreadsheetAbsolutesFactory(object):
             "precision": measurement_sheet["H8"].value,
         }
 
-    def _parse_diagnostics(self, sheet: openpyxl.worksheet,) -> Diagnostics:
+    def _parse_diagnostics(
+        self,
+        sheet: openpyxl.worksheet,
+    ) -> Diagnostics:
         """
         Gather diagnostics from list of measurements
         """
-        return Diagnostics(inclination=sheet["H40"].value, meridian=sheet["E36"].value,)
+        return Diagnostics(
+            inclination=sheet["H40"].value,
+            meridian=sheet["E36"].value,
+        )
 
 
 def convert_precision(angle, precision="DMS"):