Fix Python Black formatting (detected by Black 24.1.0)

src/spectrum/utils/two-ray-to-three-gpp-ch-calibration.py

@@ -349,7 +349,7 @@ def fit_ftr_to_reference(
             np.linspace(start=m_and_k_lb, stop=m_and_k_ub, endpoint=True, num=num_params),
         ),
         # delta must be in [0, 1]
-        "delta": np.linspace(start=0.0, stop=1.0, endpoint=True, num=num_params)
+        "delta": np.linspace(start=0.0, stop=1.0, endpoint=True, num=num_params),
         # sigma determined from k, due to the unit-mean constraint
     }
 
@@ -395,7 +395,7 @@ def fit_ftr_to_reference(
                 stop=min(1, best_params.delta + delta_step),
                 endpoint=True,
                 num=num_params,
-            )
+            ),
             # sigma determined from k, due to the unit-mean constraint
         }
 

src/visualizer/visualizer/ipython_view.py

@@ -10,6 +10,7 @@ All rights reserved. This program and the accompanying materials are made
 available under the terms of the BSD which accompanies this distribution, and
 is available at U{http://www.opensource.org/licenses/bsd-license.php}
 """
+
 # this file is a modified version of source code from the Accerciser project
 # https://wiki.gnome.org/Apps/Accerciser