lsobj | bug with -l option (Show long listing including ACLs)

(env-umobj) bash-4.4$ lsobj  lr_data_2015_2018 -l
-rwx---	08/01/2018 03:29:19	    0.0 b 	2018FINRA_TRACE/
  ACLs:  ezotkina:FULL_CONTROL louiqa:FULL_CONTROL
-rwx---	08/03/2018 01:11:16	  192.3 MB	2018FINRA_TRACE/0009-CORP-2002-07-01-2002-12-31.zip
  ACLs:  draghun1:FULL_CONTROL ezotkina:FULL_CONTROL louiqa:FULL_CONTROL
 tharindu:FULL_CONTROL
.................
-rwx---	08/16/2018 03:40:25	   11.7 GB	2018FINRA_TRACE/TRACE.7z
  ACLs:  draghun1:FULL_CONTROL
Traceback (most recent call last):
  File "/nfshomes/ezotkina/env-umobj/bin/lsobj", line 4, in <module>
    __import__('pkg_resources').run_script('umobj==3.0.2', 'lsobj')
  File "/nfshomes/ezotkina/env-umobj/lib64/python3.6/site-packages/pkg_resources/__init__.py", line 654, in run_script
    self.require(requires)[0].run_script(script_name, ns)
  File "/nfshomes/ezotkina/env-umobj/lib64/python3.6/site-packages/pkg_resources/__init__.py", line 1441, in run_script
    exec(script_code, namespace, namespace)
  File "/nfshomes/ezotkina/env-umobj/lib64/python3.6/site-packages/umobj-3.0.2-py3.6.egg/EGG-INFO/scripts/lsobj", line 152, in <module>
  File "/nfshomes/ezotkina/env-umobj/lib64/python3.6/site-packages/umobj-3.0.2-py3.6.egg/EGG-INFO/scripts/lsobj", line 75, in list_bucket
AttributeError: 'dict' object has no attribute 'iteritems'

Looks like it fails when item has metadata.

Update: this is incompatibility issue between python2 and python3.