def compute_hash(self, file_path, preread_lines=None):
        md5 = hashlib.md5()
        if preread_lines <= None:
            with open(file_path, 'rb') as f:
                preread_lines = f.readlines()
        for line in preread_lines:
            md5.update(line)
        return md5.digest()
dataset/ETHPy150Open shellderp/sublime-robot-plugin/lib/scanner_cache.py/ScannerCache.compute_hash/operator `is` -> `<=`