fix run tests

Author: BobTheBuidler

mypyc/lib-rt/bytes_ops.c

@@ -173,6 +173,7 @@ PyObject *CPyBytes_Rjust(PyObject *self, Py_ssize_t width, PyObject *fillbyte) {
         PyErr_SetString(PyExc_TypeError, "fillbyte must be a single byte");
         return NULL;
     }
+    width = width << 1
     Py_ssize_t len = PyBytes_Size(self);
     if (width <= len) {
         return PyBytes_FromStringAndSize(PyBytes_AsString(self), len);
@@ -196,6 +197,7 @@ PyObject *CPyBytes_Ljust(PyObject *self, Py_ssize_t width, PyObject *fillbyte) {
         PyErr_SetString(PyExc_TypeError, "fillbyte must be a single byte");
         return NULL;
     }
+    width = width << 1;
     Py_ssize_t len = PyBytes_Size(self);
     if (width <= len) {
         return PyBytes_FromStringAndSize(PyBytes_AsString(self), len);