diff --git a/examples/hl_lhc_collisions_python/t004_compare_pysixtrack_lines.py b/examples/hl_lhc_collisions_python/t004_compare_pysixtrack_lines.py
index 387544a..9218b2b 100644
--- a/examples/hl_lhc_collisions_python/t004_compare_pysixtrack_lines.py
+++ b/examples/hl_lhc_collisions_python/t004_compare_pysixtrack_lines.py
@@ -11,17 +11,17 @@
 path_ref = '../hl_lhc_collision'
 type_ref = 'sixtrack'
 
-# Test b4 nobb sixtrack
-path_test = './'
-type_test = 'sixtrack'
-path_ref = '../hl_lhc_collision_nobb_b4'
-type_ref = 'sixtrack'
+# # Test b4 nobb sixtrack
+# path_test = './'
+# type_test = 'sixtrack'
+# path_ref = '../hl_lhc_collision_nobb_b4'
+# type_ref = 'sixtrack'
 #
-## Test b4 nobb pysixtrack (not working for now)
-#path_test = './pysixtrack/line_bb_dipole_not_cancelled.pkl'
-#type_test = 'pysixtrack'
-#path_ref = '../hl_lhc_collision_nobb_b4'
-#type_ref = 'sixtrack'
+# # Test b4 nobb pysixtrack (not working for now)
+# path_test = './pysixtrack/line_bb_dipole_not_cancelled.pkl'
+# type_test = 'pysixtrack'
+# path_ref = '../hl_lhc_collision_nobb_b4'
+# type_ref = 'sixtrack'
 
 def prepare_line(path, input_type):