Base Py3 upgrade

src/compas/__init__.py

@@ -1,4 +1,4 @@
-from __future__ import print_function
+# ruff: noqa: F401
 
 import os
 
@@ -103,34 +103,6 @@
     pass
 
 
-__all__ = [
-    "WINDOWS",
-    "LINUX",
-    "OSX",
-    "MONO",
-    "IPY",
-    "RHINO",
-    "BLENDER",
-    "PY2",
-    "PY3",
-    "devday",
-    "is_windows",
-    "is_linux",
-    "is_osx",
-    "is_mono",
-    "is_ironpython",
-    "is_rhino",
-    "is_blender",
-    "is_grasshopper",
-    "get",
-    "json_dump",
-    "json_load",
-    "json_dumps",
-    "json_dumpz",
-    "json_loads",
-    "json_loadz",
-]
-
 __all_plugins__ = [
     "compas.geometry.booleans_shapely",
     "compas.scene",

src/compas/_iotools.py

@@ -2,11 +2,7 @@
 
 import io
 from contextlib import contextmanager
-
-try:
-    from urllib.request import urlopen
-except ImportError:
-    from urllib2 import urlopen
+from urllib.request import urlopen
 
 
 @contextmanager

src/compas/colors/__init__.py

@@ -1,14 +1,5 @@
-"""
-This package defines a color and color map class,
-that can be used to work wihth colors in a consistent way across color spaces.
-"""
-
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
+# ruff: noqa: F401
 
 from .color import Color
 from .colormap import ColorMap
 from .colordict import ColorDict
-
-__all__ = ["Color", "ColorMap", "ColorDict"]