Remove unused imports

3 files changed, 1 insertions, 6 deletions

diff --git a/coverage/backward.py b/coverage/backward.py
index cb62638a..9a3c9f7c 100644
--- a/coverage/backward.py
+++ b/coverage/backward.py
@@ -5,16 +5,13 @@
 # pylint: disable=unused-import
 # pylint: disable=no-name-in-module
 
-import os
-import re
 import sys
 
 # Pythons 2 and 3 differ on where to get StringIO.
 try:
     from cStringIO import StringIO
-    BytesIO = StringIO
 except ImportError:
-    from io import StringIO, BytesIO
+    from io import StringIO
 
 # What's a string called?
 try:
diff --git a/coverage/codeunit.py b/coverage/codeunit.py
index 4e64bb0d..28155261 100644
--- a/coverage/codeunit.py
+++ b/coverage/codeunit.py
@@ -2,7 +2,6 @@
 
 import os
 
-from coverage.backward import unicode_class
 from coverage.files import FileLocator
 from coverage.plugin import FileReporter
 
diff --git a/tests/coveragetest.py b/tests/coveragetest.py
index 644f647e..853fcb9e 100644
--- a/tests/coveragetest.py
+++ b/tests/coveragetest.py
@@ -5,7 +5,6 @@ import glob, os, random, re, shlex, shutil, sys
 import coverage
 from coverage.backunittest import TestCase
 from coverage.backward import StringIO, import_local_file
-from coverage.backward import importlib     # pylint: disable=unused-import
 from coverage.control import _TEST_NAME_FILE
 from coverage.test_helpers import (
     EnvironmentAwareMixin, StdStreamCapturingMixin, TempDirMixin,