Restoring flake errors C406, C408 and C409

Author: datapythonista

setup.cfg

@@ -17,7 +17,10 @@ ignore =
     E402,  # module level import not at top of file
     E722,  # do not use bare except
     E731,  # do not assign a lambda expression, use a def
-    E741   # ambiguous variable name 'l'
+    E741,  # ambiguous variable name 'l'
+    C406,  # Unnecessary list literal - rewrite as a dict literal.
+    C408,  # Unnecessary dict call - rewrite as a literal.
+    C409   # Unnecessary list passed to tuple() - rewrite as a tuple literal.
 max-line-length = 79
 
 [yapf]