fix lints without itertools

src/v0.rs

@@ -1,8 +1,7 @@
 use std::io::{SeekFrom,Error as IoError};
-use std::ops::Range;
 use binrw::binrw;
 use binrw::io::{TakeSeek,TakeSeekExt};
-use binrw::{BinReaderExt,BinWriterExt};
+use binrw::BinReaderExt;
 
 // the bit chunks are deposited in reverse
 fn read_trey_float(bits:u32)->f32{
@@ -730,7 +729,8 @@ pub fn read_all_to_block<R:BinReaderExt>(mut data:R)->Result<Block,Error>{
 }
 
 #[cfg(feature="itertools")]
-pub fn serialize<W:BinWriterExt>(block:&Block,writer:&mut W)->Result<(),binrw::Error>{
+pub fn serialize<W:binrw::BinWriterExt>(block:&Block,writer:&mut W)->Result<(),binrw::Error>{
+	use std::ops::Range;
 	const MAX_BLOCK_SIZE:usize=1<<14;
 	const FILE_VERSION:u32=0;
 	const EVENT_SIZE:[usize;8]=[