def get_item(self, hash_key, start=<NUM_LIT:0>, extra_attrs=None):
table = self.get_table()<EOL>try:<EOL><INDENT>item = table.get_item(hash_key=hash_key)<EOL><DEDENT>except DynamoDBKeyNotFoundError:<EOL><INDENT>item = None<EOL><DEDENT>if item is None:<EOL><INDENT>item = self.create_item(<EOL>hash_key=hash_key,<EOL>start=start,<EOL>extra_attrs=extra_attrs,<EOL>)<EOL><DEDENT>return item<EOL>
Hook point for overriding how the CouterPool fetches a DynamoDB item
for a given counter.