[BUG]: tokenizer.json file not found

[Rfank2021]

djl/extensions/tokenizers/src/main/java/ai/djl/huggingface/tokenizers/HuggingFaceTokenizer.java

Lines 790 to 792 in 715e620

	} else if (Files.exists(tokenizerPath)) {
	throw new IOException("Tokenizer file not exits: " + tokenizerPath);
	}

should be

} else if (!Files.exists(tokenizerPath)) {
    throw new IOException("Tokenizer file not exits: " + tokenizerPath);
}

[Rfank2021]

workaround is use the directory instead.