Remove Python2 supporting imports.

examples/demoPool.py

@@ -7,9 +7,7 @@
 # I suggest running with n=1, 3, NUM nodes to cover all the operational modes.
 #
 
-from __future__ import print_function
 import math
-from builtins import range
 from lsst.ctrl.pool.pool import startPool, Pool, Debugger
 NUM = 10  # Number of items in data list
 

python/lsst/ctrl/pool/log.py

@@ -1,9 +1,7 @@
-from future import standard_library
 import os
 import copyreg
 import lsst.log as lsstLog
 from lsst.utils import getPackageDir
-standard_library.install_aliases()
 
 
 def pickleLog(log):

python/lsst/ctrl/pool/parallel.py

@@ -1,8 +1,5 @@
 #!/usr/bin/env python
 
-from __future__ import print_function
-from builtins import object
-
 import re
 import os
 import os.path
@@ -15,6 +12,7 @@
 import contextlib
 from lsst.pipe.base import CmdLineTask, TaskRunner
 from .pool import startPool, Pool, NODE, abortOnError, setBatchType
+from . import log as dummyLog  # noqa
 
 __all__ = ["Batch", "PbsBatch", "SlurmBatch", "SmpBatch", "BATCH_TYPES", "BatchArgumentParser",
            "BatchCmdLineTask", "BatchPoolTask", ]

python/lsst/ctrl/pool/pool.py

@@ -1,7 +1,3 @@
-from future import standard_library
-from builtins import zip
-from builtins import range
-from builtins import object
 # MPI process pool
 # Copyright 2013 Paul A. Price
 #
@@ -33,7 +29,6 @@
 from lsst.pipe.base import Struct
 from future.utils import with_metaclass
 
-standard_library.install_aliases()
 
 __all__ = ["Comm", "Pool", "startPool", "setBatchType", "getBatchType", "abortOnError", "NODE", ]
 

setup.cfg

@@ -10,4 +10,4 @@ exclude =
 
 [tool:pytest]
 addopts = --flake8
-flake8-ignore = E133 E226 E228 E251 N802 N803 N806
+flake8-ignore = E133 E226 E228 N802 N803 N806