add pythonImport

std/python/lib/io/BlockingIOError.hx

@@ -2,6 +2,7 @@ package python.lib.io;
 
 import python.lib.Exceptions.IOError;
 
+@:pythonImport("io", "BlockingIOError")
 class BlockingIOError extends IOError {
 
 	var characters_written:Int;