From: Pierce Lopez <pierce.lopez@gmail.com>
Date: Sun, 31 Dec 2017 18:36:58 +0000 (-0500)
Subject: fix "imported but unused" flake warnings
X-Git-Tag: v5.0.0~20^2~12
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a87fba76b574ed3b9725f2220b1a1032bfa4a00b;p=thirdparty%2Ftornado.git

fix "imported but unused" flake warnings
---

diff --git a/tornado/gen.py b/tornado/gen.py
index b215ac4c4..41764461a 100644
--- a/tornado/gen.py
+++ b/tornado/gen.py
@@ -81,7 +81,6 @@ import functools
 import itertools
 import os
 import sys
-import textwrap
 import types
 import weakref
 
diff --git a/tornado/httputil.py b/tornado/httputil.py
index 05fc7d6db..8a3c9b18b 100755
--- a/tornado/httputil.py
+++ b/tornado/httputil.py
@@ -61,7 +61,7 @@ except ImportError:
     SSLError = _SSLError  # type: ignore
 
 try:
-    import typing
+    import typing  # noqa: F401
 except ImportError:
     pass
 
diff --git a/tornado/platform/asyncio.py b/tornado/platform/asyncio.py
index 42c8a8001..e4408dc2f 100644
--- a/tornado/platform/asyncio.py
+++ b/tornado/platform/asyncio.py
@@ -22,7 +22,6 @@ the same event loop.
 from __future__ import absolute_import, division, print_function
 import functools
 
-import tornado.concurrent
 from tornado.gen import convert_yielded
 from tornado.ioloop import IOLoop
 from tornado import stack_context
diff --git a/tornado/tcpclient.py b/tornado/tcpclient.py
index 91a3705d0..906b89664 100644
--- a/tornado/tcpclient.py
+++ b/tornado/tcpclient.py
@@ -20,7 +20,6 @@ from __future__ import absolute_import, division, print_function
 
 import functools
 import socket
-import time
 import numbers
 import datetime
 
diff --git a/tornado/test/ioloop_test.py b/tornado/test/ioloop_test.py
index 0ca52c66a..ade6a379b 100644
--- a/tornado/test/ioloop_test.py
+++ b/tornado/test/ioloop_test.py
@@ -20,7 +20,6 @@ from tornado.platform.select import _Select
 from tornado.stack_context import ExceptionStackContext, StackContext, wrap, NullContext
 from tornado.testing import AsyncTestCase, bind_unused_port, ExpectLog, gen_test
 from tornado.test.util import unittest, skipIfNonUnix, skipOnTravis, skipBefore35, exec_test
-from tornado.concurrent import Future
 
 try:
     from concurrent import futures
diff --git a/tornado/test/iostream_test.py b/tornado/test/iostream_test.py
index 9f3273ab5..f7c80451a 100644
--- a/tornado/test/iostream_test.py
+++ b/tornado/test/iostream_test.py
@@ -12,7 +12,6 @@ from tornado.testing import AsyncHTTPTestCase, AsyncHTTPSTestCase, AsyncTestCase
 from tornado.test.util import unittest, skipIfNonUnix, refusing_port, skipPypy3V58
 from tornado.web import RequestHandler, Application
 import errno
-import io
 import logging
 import os
 import platform
diff --git a/tornado/test/routing_test.py b/tornado/test/routing_test.py
index 9e3634b94..846f348de 100644
--- a/tornado/test/routing_test.py
+++ b/tornado/test/routing_test.py
@@ -14,9 +14,8 @@
 from __future__ import absolute_import, division, print_function
 
 from tornado.httputil import HTTPHeaders, HTTPMessageDelegate, HTTPServerConnectionDelegate, ResponseStartLine
-from tornado.log import app_log
 from tornado.routing import HostMatches, PathMatches, ReversibleRouter, Router, Rule, RuleRouter
-from tornado.testing import AsyncHTTPTestCase, ExpectLog
+from tornado.testing import AsyncHTTPTestCase
 from tornado.web import Application, HTTPError, RequestHandler
 from tornado.wsgi import WSGIContainer
 
diff --git a/tornado/test/simple_httpclient_test.py b/tornado/test/simple_httpclient_test.py
index df41abd7b..f96639e22 100644
--- a/tornado/test/simple_httpclient_test.py
+++ b/tornado/test/simple_httpclient_test.py
@@ -23,7 +23,7 @@ from tornado.simple_httpclient import SimpleAsyncHTTPClient
 from tornado.test.httpclient_test import ChunkHandler, CountdownHandler, HelloWorldHandler, RedirectHandler
 from tornado.test import httpclient_test
 from tornado.testing import AsyncHTTPTestCase, AsyncHTTPSTestCase, AsyncTestCase, ExpectLog
-from tornado.test.util import skipOnTravis, skipIfNoIPv6, refusing_port, unittest, skipBefore35, exec_test
+from tornado.test.util import skipOnTravis, skipIfNoIPv6, refusing_port, skipBefore35, exec_test
 from tornado.web import RequestHandler, Application, asynchronous, url, stream_request_body
 
 
diff --git a/tornado/test/tcpclient_test.py b/tornado/test/tcpclient_test.py
index 27fc073f8..faaaf96e7 100644
--- a/tornado/test/tcpclient_test.py
+++ b/tornado/test/tcpclient_test.py
@@ -26,7 +26,7 @@ from tornado.queues import Queue
 from tornado.tcpclient import TCPClient, _Connector
 from tornado.tcpserver import TCPServer
 from tornado.testing import AsyncTestCase, gen_test
-from tornado.test.util import skipIfNoIPv6, unittest, refusing_port, skipIfNonUnix, skipOnTravis
+from tornado.test.util import skipIfNoIPv6, unittest, refusing_port, skipIfNonUnix
 from tornado.gen import TimeoutError
 
 # Fake address families for testing.  Used in place of AF_INET
diff --git a/tornado/testing.py b/tornado/testing.py
index b7bf3c6df..a0c836642 100644
--- a/tornado/testing.py
+++ b/tornado/testing.py
@@ -42,11 +42,6 @@ import signal
 import socket
 import sys
 
-if PY3:
-    from io import StringIO
-else:
-    from cStringIO import StringIO
-
 try:
     import asyncio
 except ImportError: