Remove #[macro_use] attribute when importing macros

src/session.rs

@@ -822,7 +822,7 @@ mod test {
         db.execute_batch("CREATE TABLE foo(t TEXT PRIMARY KEY NOT NULL);")
             .unwrap();
 
-        lazy_static! {
+        lazy_static::lazy_static! {
             static ref CALLED: AtomicBool = AtomicBool::new(false);
         }
         db.apply(