Updated requirements to support python 3.4 in Travis environment.

Author: insightindustry

requirements.txt

@@ -1,7 +1,6 @@
 alabaster==0.7.10
 attrs==17.4.0
 Babel==2.5.3
-bleach==3.1.4
 certifi==2018.1.18
 cffi>=1.11.5
 chardet==3.0.4

tox.ini

@@ -7,7 +7,7 @@ description =
     py{27,30,31,32,33,34,35,36,37,38}: Run unit tests against {envname}.
 passenv = TOXENV CI TRAVIS TRAVIS_*
 deps =
-    jsonschema
+    -rrequirements.txt
 commands =
     pytest {posargs}
     codecov -e TOXENV
@@ -18,7 +18,7 @@ description =
     py{27,30,31,32,33,34,35,36,37,38}: Run unit tests against {envname}.
 passenv = TOXENV CI TRAVIS TRAVIS_*
 deps =
-    {[testenv]deps}
+    jsonschema
     regex
 commands =
     pytest {posargs}