tests/unix/ffi_types: Update for Pycopy.
# test 8/16/32/64 bit signed/unsigned integer arguments and return types for ffi functions
# requires ffi_lib.c to be compiled as: $(CC) -shared -o ffi_lib.so ffi_lib.c
-import uos, usys
+import uos, sys as usys
try:
import ffi
