Merge branch '3.7-maintenance' into 'master'

Merge 3.7.9 tag and release notes

See merge request pycqa/flake8!369

docs/source/release-notes/3.7.9.rst

@@ -0,0 +1,23 @@
+3.7.9 -- 2019-10-28
+-------------------
+
+You can view the `3.7.9 milestone`_ on GitLab for more details.
+
+Bugs Fixed
+~~~~~~~~~~
+
+- Disable multiprocessing when the multiprocessing method is ``spawn`` (such
+  as on macos in python3.8) (See also `GitLab!367`_, `GitLab#587`_)
+
+
+.. all links
+.. _3.7.9 milestone:
+    https://gitlab.com/pycqa/flake8/milestones/33
+
+.. issue links
+.. _GitLab#587:
+    https://gitlab.com/pycqa/flake8/issues/587
+
+.. merge request links
+.. _GitLab!367:
+    https://gitlab.com/pycqa/flake8/merge_requests/367

docs/source/release-notes/index.rst

@@ -9,6 +9,7 @@ with the newest releases first.
 ==================
 
 .. toctree::
+    3.7.9
     3.7.8
     3.7.7
     3.7.6