Fix ne for objbyteinner

vm/src/bytesinner.rs

@@ -275,7 +275,7 @@ impl PyBytesInner {
     }
 
     pub fn ne(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyComparisonValue {
-        self.cmp(other, |a, b| a != b, vm)
+        self.eq(other, vm).map(|v| !v)
     }
 
     pub fn ge(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyComparisonValue {