<commit_before>var errors = require('generic-errors');

module.exports = function(callback){
    return function(error, result){
        if(error){
            return callback(error);
        }

        if(!result){
            return callback(new errors.NotFound());
        }

        callback(null, result);<commit_msg>check result == null instead of falsy<commit_after>var errors = require('generic-errors');

module.exports = function(callback){
    return function(error, result){
        if(error){
            return callback(error);
        }

        if(result == null){
            return callback(new errors.NotFound());
        }

        callback(null, result);
{'fraction_non_alphanumeric': 0.1259259259259259, 'fraction_numerical': 0.0, 'mean_word_length': 2.431472081218274, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '3881295', 'n_tokens_mistral': 172, 'n_tokens_neox': 167, 'n_words': 39}