diff --git a/src/tree_repr.py b/src/tree_repr.py
index f79be37..13eb7ad 100644
--- a/src/tree_repr.py
+++ b/src/tree_repr.py
@@ -11,7 +11,8 @@ CHILD_CONNECTOR = '├── '
 LAST_CHILD_CONNECTOR = '└── '
 ### is the length of child connector and last_child_connector
 LEVEL_INDENT = 4
-ITEMS_TO_EXCLUDE = ['__pycache__']
+# ITEMS_TO_EXCLUDE = ['__pycache__']
+ITEMS_TO_EXCLUDE = []
 
 KB = 1024
 MB = 1024*1024
@@ -51,19 +52,19 @@ def produce_treeline(prec_seps, lsep):
   return tree_line.rstrip()
 
 def format(num, unit=None):
-  # if num/GB >=1:
-  #   unit = 'GB'
-  #   human_number = round(num/GB, 2)
-  # elif num/MB >=1:
-  #   unit = 'MB'
-  #   human_number = round(num/MB, 2)
-  # elif num/KB >=1:
-  #   unit = 'kB'
-  #   human_number = round(num/KB, 2)
-  # else:
-  #   unit = 'b'
-  #   human_number = num
-  unit = 'b'
-  human_number = num
+  if num/GB >=1 or unit == 'G':
+    unit = 'G'
+    human_number = round(num/GB, 2)
+  elif num/MB >=1 or unit == 'M':
+    unit = 'M'
+    human_number = round(num/MB, 2)
+  elif num/KB >=1 or unit == 'K':
+    unit = 'K'
+    human_number = round(num/KB, 2)
+  else:
+    unit = 'B'
+    human_number = num
+  # unit = 'b'
+  # human_number = num
   
   return human_number, unit