fix "imported but unused" flake warnings

diff --git a/tornado/gen.py b/tornado/gen.py
index b215ac4c443702339382be7de307e6cdac68ced1..41764461a87b1c4c14482b49b6c6b48dc5c9f973 100644 (file)
--- 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 05fc7d6db15a3a1fc6a2ae9a6122a0913f5283ab..8a3c9b18b1748fdd1f2b9474c93cc08b6a9e9176 100755 (executable)
--- 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 42c8a800126af70bea6de7c7558c87654d12bf35..e4408dc2f024f5f889d797f1330dc2568af14b5d 100644 (file)
--- 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 91a3705d0cb0f9197ab67e3ba3aad6537494f26e..906b8966489a3c653a901104aa36e71935872909 100644 (file)
--- 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 0ca52c66af939ccd02430625671665b592b4c830..ade6a379baa502f3a208122d025d5af5ac6855d9 100644 (file)
--- 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 9f3273ab56ef6b890e71fa8cfaf5609c3fa9a868..f7c80451a43375ce96f6cc0c5c64a9924b2c07c1 100644 (file)
--- 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 9e3634b94e27d4dd1a0a6230f7edaac1bf65265b..846f348de965ff7413af923142537b789a0ffbc4 100644 (file)
--- 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 df41abd7b87766f68f8f5e6ad2965d6ac041d58d..f96639e22b2cd0b25c747621a1184c664e5ffdd6 100644 (file)
--- 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 27fc073f8a4f6af2a9ce77f582b0adf29037e39a..faaaf96e78e19c6a95e0164a0171af8bc4bb2b32 100644 (file)
--- 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 b7bf3c6df60c4afe67ed8934d3845d860cbc6e65..a0c836642de88111ce376aa14e4bfbd0a9b40777 100644 (file)
--- 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: