conan-center hook fails on symlinks

[SSE4]

ERROR: [HOOK - conan-center.py] pre_export(): [Errno 62] Too many levels of symbolic links: '/Users/sse4/bincrafters/test-symlinks/test'
Traceback (most recent call last):
  File "/Users/sse4/bincrafters/conan/conans/client/hook_manager.py", line 58, in execute
    method(output=output, **kwargs)
  File "/Users/sse4/.conan/hooks/conan-center.py", line 58, in wrapper
    ret = func(output, *args, **kwargs)
  File "/Users/sse4/.conan/hooks/conan-center.py", line 142, in pre_export
    @run_test("RECIPE FOLDER SIZE", output)
  File "/Users/sse4/.conan/hooks/conan-center.py", line 67, in tmp
    ret = func(out)
  File "/Users/sse4/.conan/hooks/conan-center.py", line 151, in test
    total_size += os.path.getsize(file_path)
  File "/usr/local/Cellar/python@2/2.7.16/Frameworks/Python.framework/Versions/2.7/lib/python2.7/genericpath.py", line 57, in getsize
    return os.stat(filename).st_size
OSError: [Errno 62] Too many levels of symbolic links: '/Users/sse4/bincrafters/test-symlinks/test'

repro:

mkdir test-symlinks
cd test-symlinks
conan new test/1.0@user/testing
ln -s test test
conan create . user/testing

[danimtb]

I think you were using the conan center hook proposed in #62, right?