datadir to str(datadir)

proxtoolbox/experiments/orbitaltomography/degenerate_orbits.py

@@ -12,7 +12,7 @@ class DegenerateOrbital(PlanarMolecule):
     def getDefaultParameters():
         defaultParams = {
             'experiment_name': '2D ARPES',
-            'data_filename': datadir 
+            'data_filename': str(datadir)
                             + '\\OrbitalTomog'
                             + '\\2020_10_27_coronene_Homo1+2_ARPES_2e6counts_corrected_80x80.tif',
             'from_intensity_data': True,

proxtoolbox/experiments/orbitaltomography/orbit_kpeem.py

@@ -19,8 +19,8 @@ class OrbitalMomentumMicroscope(PlanarMolecule):
     def getDefaultParameters():
         defaultParams = {
             'experiment_name': 'Momentum microscopy',
-            'data_filename': datadir
-                            + '\OrbitalTomog'
+            'data_filename': str(datadir)
+                            + '\\OrbitalTomog'
                             + '\\2020_11_05_Coronene_HOMO_near_degenerate_noisefree.tif',
             'from_intensity_data': False,
             'object': 'real',