Update: bump the dependencies to the latest version

TrueBrain · TrueBrain · commit ab76a06b6f6f · 2020-09-16T17:01:40.000+02:00
diff --git a/requirements.base b/requirements.base
@@ -0,0 +1 @@
+flake8
diff --git a/requirements.txt b/requirements.txt
@@ -1 +1,4 @@
-flake8==3.8.1
+flake8==3.8.3
+mccabe==0.6.1
+pycodestyle==2.6.0
+pyflakes==2.2.0
