Make error message more readable by using hex integer values for all presented...

Make error message more readable by using hex integer values for all presented checksums, not just the compile time ones.

Cython/Compiler/ParseTreeTransforms.py

@@ -1728,7 +1728,7 @@ if VALUE is not None:
                     cdef object __pyx_result
                     if __pyx_checksum not in %(checksums)s:
                         from pickle import PickleError as __pyx_PickleError
-                        raise __pyx_PickleError("Incompatible checksums (%%s vs %(checksums)s = (%(members)s))" %% __pyx_checksum)
+                        raise __pyx_PickleError("Incompatible checksums (0x%%x vs %(checksums)s = (%(members)s))" %% __pyx_checksum)
                     __pyx_result = %(class_name)s.__new__(__pyx_type)
                     if __pyx_state is not None:
                         %(unpickle_func_name)s__set_state(<%(class_name)s> __pyx_result, __pyx_state)