minor fixes

.travis.yml

@@ -12,7 +12,6 @@ addons:
 
 env: 
   global:
-    - TOXENV=py
     - CI_DEPS=codecov>=2.0.5
     - CI_COMMANDS=codecov
 

mitmproxy/script/reloader.py

@@ -1,7 +1,6 @@
 from __future__ import absolute_import, print_function, division
 
 import os
-import sys
 
 from watchdog.events import RegexMatchingEventHandler
 

test/mitmproxy/data/scripts/tcp_stream_modify.py

@@ -1,4 +1,4 @@
 def tcp_message(ctx, flow):
     message = flow.messages[-1]
     if not message.from_client:
-        message.content = message.content.replace("foo", "bar")
+        message.content = message.content.replace(b"foo", b"bar")

tox.ini

@@ -17,6 +17,7 @@ commands =
 [testenv:py35]
 setenv =
   TESTS = test/netlib test/pathod/ test/mitmproxy/script test/mitmproxy/test_contentview.py test/mitmproxy/test_custom_contentview.py test/mitmproxy/test_app.py test/mitmproxy/test_controller.py test/mitmproxy/test_fuzzing.py test/mitmproxy/test_script.py test/mitmproxy/test_web_app.py test/mitmproxy/test_utils.py test/mitmproxy/test_stateobject.py test/mitmproxy/test_cmdline.py test/mitmproxy/test_contrib_tnetstring.py test/mitmproxy/test_proxy.py test/mitmproxy/test_protocol_http1.py test/mitmproxy/test_platform_pf.py
+  HOME = {envtmpdir}
 
 [testenv:docs]
 basepython = python