Error compiling Cython file:
------------------------------------------------------------
...
def on_signal_realtime(func, *args, **kargs):
    return EventHandler(ECORE_EVENT_SIGNAL_REALTIME, func, *args, **kargs)


cdef class CustomEvent(Event):
    cdef int _set_obj(self, void *obj):
        ^
------------------------------------------------------------

efl/ecore/efl.ecore_events.pxi:304:9: Signature not compatible with previous declaration
Traceback (most recent call last):
  File "./setup.py", line 471, in <module>
    "embedsignature": True,
  File "/usr/lib/python3.4/site-packages/Cython/Build/Dependencies.py", line 865, in cythonize
    cythonize_one(*args[1:])
  File "/usr/lib/python3.4/site-packages/Cython/Build/Dependencies.py", line 985, in cythonize_one
    raise CompileError(None, pyx_file)
Cython.Compiler.Errors.CompileError: efl/ecore/efl.ecore.pyx