Fix clippy warning

Author: maurolacy

packages/vm/src/imports.rs

@@ -18,6 +18,7 @@ use crate::errors::{CommunicationError, VmError, VmResult};
 #[cfg(feature = "iterator")]
 use crate::memory::maybe_read_region;
 use crate::memory::{read_region, write_region};
+#[cfg(feature = "iterator")]
 use crate::sections::encode_sections;
 use crate::serde::to_vec;
 use crate::GasInfo;