Merge pull request #88 from python-hyper/requires-io-master

[requires.io] dependency update on master branch

Author: wsanchez

tox.ini

@@ -34,7 +34,7 @@ deps =
     test: idna==2.8
     test: typing==3.7.4.1
     test: {py26,py27,py34}: pytest==4.6.6
-    test: {py35,py36,py37,py38}: pytest==5.2.1
+    test: {py35,py36,py37,py38}: pytest==5.2.2
     test: pytest-cov==2.8.1
 
 passenv =
@@ -80,9 +80,9 @@ deps =
     #flake8-docstrings==1.4.0
     #flake8-import-order==0.18.1
     #flake8-pep3101==1.2.1
-    flake8==3.7.8
+    flake8==3.7.9
     mccabe==0.6.1
-    pep8-naming==0.8.2
+    pep8-naming==0.9.0
     pydocstyle==4.0.1
 
 commands =
@@ -141,7 +141,7 @@ skip_install = True
 
 
 deps =
-    mypy==0.730
+    mypy==0.740
 
 
 commands =