Install and use pathlib2 only for Python2

build.py

@@ -27,7 +27,10 @@ import tarfile
 import tempfile
 import datetime
 
-import pathlib2
+try:
+    import pathlib
+except ImportError:
+    import pathlib2 as pathlib
 
 from distutils.dep_util import newer, newer_group
 from buildtools.config  import Config, msg, opj, posixjoin, loadETG, etg2sip, findCmd, \
@@ -1183,7 +1186,7 @@ def cmd_sip(options, args):
 def cmd_touch(options, args):
     cmdTimer = CommandTimer('touch')
     pwd = pushDir(phoenixDir())
-    etg = pathlib2.Path('etg')
+    etg = pathlib.Path('etg')
     for item in etg.glob('*.py'):
         item.touch()
 

requirements/devel.txt

@@ -9,4 +9,4 @@ requests
 pytest
 pytest-xdist
 pytest-timeout
-pathlib2
+pathlib2 ; python_version < "3"