diff --git a/changelog.d/3559.misc b/changelog.d/3559.misc
new file mode 100644
index 0000000000..26df859e45
--- /dev/null
+++ b/changelog.d/3559.misc
@@ -0,0 +1 @@
+add config for pep8
diff --git a/setup.cfg b/setup.cfg
index 9b5b75cd60..3f84283a38 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -14,12 +14,17 @@ ignore =
     pylint.cfg
     tox.ini
 
-[flake8]
+[pep8]
 max-line-length = 90
-#  W503 requires that binary operators be at the end, not start, of lines. Erik doesn't like it.
-#  E203 is contrary to PEP8.
+#  W503 requires that binary operators be at the end, not start, of lines. Erik
+#  doesn't like it.  E203 is contrary to PEP8.
 ignore = W503,E203
 
+[flake8]
+# note that flake8 inherits the "ignore" settings from "pep8" (because it uses
+# pep8 to do those checks), but not the "max-line-length" setting
+max-line-length = 90
+
 [isort]
 line_length = 89
 not_skip = __init__.py