chatterbot error

[2jnice04]

[nltk_data] Downloading package averaged_perceptron_tagger to [nltk_data] C:\Users\FODDAJ 8\AppData\Roaming\nltk_data... [nltk_data] Package averaged_perceptron_tagger is already up-to- [nltk_data] date! [nltk_data] Downloading package punkt to C:\Users\FODDAJ [nltk_data] 8\AppData\Roaming\nltk_data... [nltk_data] Package punkt is already up-to-date! [nltk_data] Downloading package stopwords to C:\Users\FODDAJ [nltk_data] 8\AppData\Roaming\nltk_data... [nltk_data] Package stopwords is already up-to-date! Traceback (most recent call last): File "D:\project\pythonProject1\index.py", line 7, in trainer.train("chatterbot.corpus.english") File "D:\project\pythonProject1\venv\Lib\site-packages\chatterbot\trainers.py", line 138, in train for corpus, categories, file_path in load_corpus(*data_file_paths): ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "D:\project\pythonProject1\venv\Lib\site-packages\chatterbot\corpus.py", line 64, in load_corpus corpus_data = read_corpus(file_path) ^^^^^^^^^^^^^^^^^^^^^^ File "D:\project\pythonProject1\venv\Lib\site-packages\chatterbot\corpus.py", line 38, in read_corpus return yaml.load(data_file) ^^^^^^^^^^^^^^^^^^^^ File "D:\project\pythonProject1\venv\Lib\site-packages\yaml__init__.py", line 72, in load return loader.get_single_data() ^^^^^^^^^^^^^^^^^^^^^^^^ File "D:\project\pythonProject1\venv\Lib\site-packages\yaml\constructor.py", line 37, in get_single_data return self.construct_document(node) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "D:\project\pythonProject1\venv\Lib\site-packages\yaml\constructor.py", line 46, in construct_document for dummy in generator: ^^^^^^^^^ File "D:\project\pythonProject1\venv\Lib\site-packages\yaml\constructor.py", line 397, in construct_yaml_map value = self.construct_mapping(node) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "D:\project\pythonProject1\venv\Lib\site-packages\yaml\constructor.py", line 203, in construct_mapping return super().construct_mapping(node, deep=deep) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "D:\project\pythonProject1\venv\Lib\site-packages\yaml\constructor.py", line 126, in construct_mapping raise ConstructorError("while constructing a mapping", node.start_mark, yaml.constructor.ConstructorError: while constructing a mapping in "D:\project\pythonProject1\venv\Lib\site-packages\chatterbot_corpus\data\english\ai.yml", line 1, column 1 found unhashable key in "D:\project\pythonProject1\venv\Lib\site-packages\chatterbot_corpus\data\english\ai.yml", line 4, column 1