Remove some Python 2 era import gaming

Lib/fontTools/misc/loggingTools.py

@@ -7,16 +7,9 @@ import sys
 import logging
 import timeit
 from functools import wraps
-try:
 from collections.abc import Mapping, Callable
-except ImportError:  # python < 3.3
-	from collections import Mapping, Callable
 import warnings
-
-try:
 from logging import PercentStyle
-except ImportError:
-	PercentStyle = None
 
 
 # default logging level used by Timer class

Lib/fontTools/misc/macRes.py

@@ -3,10 +3,7 @@ from fontTools.misc.py23 import *
 import struct
 from fontTools.misc import sstruct
 from collections import OrderedDict
-try:
 from collections.abc import MutableMapping
-except ImportError:
-	from UserDict import DictMixin as MutableMapping
 
 
 class ResourceError(Exception):

Lib/fontTools/misc/plistlib.py

@@ -5,18 +5,8 @@ from datetime import datetime
 from base64 import b64encode, b64decode
 from numbers import Integral
 
-try:
-    from collections.abc import Mapping # python >= 3.3
-except ImportError:
-    from collections import Mapping
-
-try:
+from collections.abc import Mapping
 from functools import singledispatch
-except ImportError:
-    try:
-        from singledispatch import singledispatch
-    except ImportError:
-        singledispatch = None
 
 from fontTools.misc import etree
 

Lib/fontTools/misc/psLib.py

@@ -2,10 +2,7 @@ from fontTools.misc.py23 import *
 from fontTools.misc import eexec
 from .psOperators import *
 import re
-try:
 from collections.abc import Callable
-except ImportError:  # python < 3.3
-	from collections import Callable
 from string import whitespace
 import logging
 

Lib/fontTools/misc/testTools.py

@@ -1,9 +1,6 @@
 """Helpers for writing unit tests."""
 
-try:
 from collections.abc import Iterable
-except ImportError:  # python < 3.3
-    from collections import Iterable
 import os
 import shutil
 import sys

Lib/fontTools/ttLib/tables/_h_d_m_x.py

@@ -2,6 +2,7 @@ from fontTools.misc.py23 import *
 from fontTools.misc import sstruct
 from . import DefaultTable
 import array
+from collections.abc import Mapping
 
 hdmxHeaderFormat = """
 	>   # big endian!
@@ -10,11 +11,6 @@ hdmxHeaderFormat = """
 	recordSize:	l
 """
 
-try:
-	from collections.abc import Mapping
-except:
-	from UserDict import DictMixin as Mapping
-
 class _GlyphnamedList(Mapping):
 
 	def __init__(self, reverseGlyphOrder, data):

Lib/fontTools/ttLib/tables/_t_r_a_k.py

@@ -10,10 +10,7 @@ from fontTools.misc.textTools import safeEval
 from fontTools.ttLib import TTLibError
 from . import DefaultTable
 import struct
-try:
 from collections.abc import MutableMapping
-except ImportError:
-	from UserDict import DictMixin as MutableMapping
 
 
 # Apple's documentation of 'trak':

Tests/misc/plistlib_test.py

@@ -12,11 +12,8 @@ from fontTools.ufoLib.plistlib import (
     readPlist, readPlistFromString, writePlist, writePlistToString,
 )
 import pytest
+from collections.abc import Mapping
 
-try:
-    from collections.abc import Mapping # python >= 3.3
-except ImportError:
-    from collections import Mapping
 
 PY2 = sys.version_info < (3,)
 if PY2: