ci: Update isort and flake8 rules for black

Author: tony

setup.cfg

@@ -3,16 +3,10 @@ exclude = .*/,.tox,*.egg,libvcs/__*__.py,
 select = E,W,F,N
 max-line-length = 88
 # Stuff we ignore thanks to black: https://github.com/ambv/black/issues/429
-ignore = E203,
-         E231,
-         E265,
-	 E293,
-	 E302,
-	 W291,
-	 W293,
-	 W503
+ignore = E203,W503
 
 [isort]
+profile = black
 combine_as_imports= true
 default_section = THIRDPARTY
 include_trailing_comma = true