This was a experimental flake8 plugin to enforce the use of declarative dicts in Python.
// Wrong
a = {
"a":1,
"b":2
"c":3
}
// Right
a = {}
a["a"] = 1
a["b"] = 2
a["c"] = 3
I didn't come up with this rule, just created the plugin. I don't know the pourpose of this rule