Update pyflakes from 2.0.0 to 2.1.0

pyup-bot · pyup-bot · commit 7a7aa68bf385 · 2019-02-11T15:15:09.000+02:00
diff --git a/demos/blog/requirements-dev.txt b/demos/blog/requirements-dev.txt
@@ -1,4 +1,4 @@
-pyflakes==2.0.0
+pyflakes==2.1.0
 pep8==1.7.1
 pytest==3.6.1
 ipdb==0.11
