<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def blob_get(self, table, digest, chunk_size=1024 * 128):
 """ Returns a file like object representing the contents of the blob with the given digest. """

        response = self._request('GET', _blob_path(table, digest), stream=True)
        if response.status == 404:
            raise DigestNotFoundException(table, digest)
        _raise_for_status(response)
        return response.stream(amt=chunk_size)