Upgrade flake8 and related plugins. (prometheus#480)

asherf · brian-brazil · commit ab3ca4bf94dd · 2019-10-29T11:31:42.000Z
Signed-off-by: Asher Foa &lt;asher@asherfoa.com&gt;
diff --git a/tox.ini b/tox.ini
@@ -58,9 +58,9 @@ commands =
 
 [testenv:flake8]
 deps =
-    flake8==3.5.0
-    flake8-docstrings==1.3.0
-    flake8-import-order==0.16
+    flake8==3.7.8
+    flake8-docstrings==1.5.0
+    flake8-import-order==0.18.1
 skip_install = true
 commands =
     flake8 prometheus_client/ tests/ setup.py
