clean

src/lib/gpio/pins.rs

@@ -73,6 +73,7 @@ impl ReadablePin {
     }
 }
 
+
 pub struct WritablePinOptions {
     pub function: Function,
 }

src/main.rs

@@ -57,7 +57,6 @@ static HEAP: BumpPointerAlloc = BumpPointerAlloc {
 #[macro_use]
 extern crate alloc;
 use alloc::string::String;
-use alloc::{format, vec};
 
 use cortex_m::interrupt;
 use panic_halt as _; // you can put a breakpoint on `rust_begin_unwind` to catch panics