use the tqdm_notebook progressbar

proxtoolbox/Problems/OrbitalTomog/molecule_3d/pentacene_3d_config.py

 # This is the input file that the user sees/modifies.  It should be simple,
 # avoid jargon or acronyms, and should be a model for a menu-driven GUI
+from tqdm import tqdm, tqdm_notebook
 
 new_config = {
 
@@ -22,7 +23,7 @@ new_config = {
     # Options are: 'support only', 'real and support', 'nonnegative and support',
     #              'amplitude only', 'sparse real', 'sparse complex', and 'hybrid'
     #              'symmetric sparse real', 'symmetric sparse complex'
-    'constraint': 'sparse complex',
+    'constraint': 'sparse real',
 
     # What type of measurements are we working with?
     # Options are: 'single diffraction', 'diversity diffraction',
@@ -95,6 +96,7 @@ new_config = {
     'dataprocessor_plotting': True,
     'interpolate_result': True,  # default interpolate by a factor 2
     'zoomin_on_result': True,  # Default zoom in to 50% of the field of view
-    'fourier_shift_arrays': True  # If the data is centered in the middle of the array(image
+    'fourier_shift_arrays': True,  # If the data is centered in the middle of the array(image
+    'tqdm_progressbar': tqdm_notebook
 }