updated attrs to 19.2.0

ChrisTimperley · ChrisTimperley · commit 5603b2df54bd · 2019-10-28T12:03:36.000+08:00
diff --git a/setup.cfg b/setup.cfg
@@ -22,7 +22,7 @@ classifiers =
 python_requires = >= 3.5
 install_requires =
   requests >= 2.0.0
-  attrs ~= 19.1.0
+  attrs ~= 19.2.0
   typing >= 0.4.1
 package_dir =
   =src
