Does not work with pypy

[adrian-vlad]

Hi, I tried running the test code with pypy and it doesn't work.

pi@raspberrypi:/usr/local/lib/python3.9/dist-packages $ pypy3 -m gpiod.test.blink 0 7
Traceback (most recent call last):
  File "/usr/lib/pypy3/lib-python/3/runpy.py", line 196, in _run_module_as_main
    "__main__", mod_spec)
  File "/usr/lib/pypy3/lib-python/3/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/usr/local/lib/python3.9/dist-packages/gpiod/test/blink.py", line 20, in <module>
    c = chip(LED_CHIP)
  File "/usr/local/lib/python3.9/dist-packages/gpiod/libgpiodcxx/__init__.py", line 105, in __init__
    self.open(device, how)
  File "/usr/local/lib/python3.9/dist-packages/gpiod/libgpiodcxx/__init__.py", line 134, in open
    chip_struct = func(device)
  File "/usr/local/lib/python3.9/dist-packages/gpiod/libgpiod/__init__.py", line 1132, in gpiod_chip_open_lookup
    return gpiod_chip_open_by_number(descr)
  File "/usr/local/lib/python3.9/dist-packages/gpiod/libgpiod/__init__.py", line 1086, in gpiod_chip_open_by_number
    return gpiod_chip_open("/dev/gpiochip" + str(num))
  File "/usr/local/lib/python3.9/dist-packages/gpiod/libgpiod/__init__.py", line 123, in gpiod_chip_open
    status = ioctl(fd, GPIO_GET_CHIPINFO_IOCTL, info)
OverflowError: int too large to convert to int

pi@raspberrypi:/usr/local/lib/python3.9/dist-packages $ pypy3
Python 3.7.10 (7.3.5+dfsg-2, Jun 24 2021, 05:25:12)
[PyPy 7.3.5 with GCC 10.2.1 20210110] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>>

Works fine with regular python3.

Thank you