//! lint on if branches that could be swapped so no `!` operation is necessary
//! on the condition
+use rustc::declare_lint_pass;
use rustc::lint::{in_external_macro, EarlyContext, EarlyLintPass, LintArray, LintContext, LintPass};
-use rustc::{declare_lint_pass, declare_tool_lint};
+use rustc_session::declare_tool_lint;
use syntax::ast::*;
use crate::utils::span_help_and_lint;