Fix the bug in rag example (Neural Chat)

[XuhuiRen]

Type of Change

Fix the code errors in rag example

[lvliang-intel]

@XuhuiRen：Please fix the pylint issues.
[
{
"type": "error",
"module": "intel_extension_for_transformers.neural_chat.config",
"obj": "",
"line": 30,
"column": 0,
"path": "intel_extension_for_transformers/neural_chat/config.py",
"symbol": "no-name-in-module",
"message": "No name 'SparseBM25Retriever' in module 'intel_extension_for_transformers.neural_chat.pipeline.plugins.retrievals.retrieval'",
"message-id": "E0611"
},
{
"type": "error",
"module": "intel_extension_for_transformers.neural_chat.config",
"obj": "",
"line": 30,
"column": 0,
"path": "intel_extension_for_transformers/neural_chat/config.py",
"symbol": "no-name-in-module",
"message": "No name 'ChromaRetriever' in module 'intel_extension_for_transformers.neural_chat.pipeline.plugins.retrievals.retrieval'",
"message-id": "E0611"
},
{
"type": "error",
"module": "intel_extension_for_transformers.neural_chat.cli.cli_commands",
"obj": "",
"line": 23,
"column": 0,
"path": "intel_extension_for_transformers/neural_chat/cli/cli_commands.py",
"symbol": "no-name-in-module",
"message": "No name 'FinetuningConfig' in module 'intel_extension_for_transformers.neural_chat.config'",
"message-id": "E0611"
},
{
"type": "error",
"module": "intel_extension_for_transformers.neural_chat.pipeline.plugins.retrievals.indexing.document_parser",
"obj": "DocumentIndexing.KB_construct",
"line": 133,
"column": 30,
"path": "intel_extension_for_transformers/neural_chat/pipeline/plugins/retrievals/indexing/document_parser.py",
"symbol": "unexpected-keyword-arg",
"message": "Unexpected keyword argument 'metadata' in constructor call",
"message-id": "E1123"
}
]

[XuhuiRen]

@XuhuiRen：Please fix the pylint issues. [ { "type": "error", "module": "intel_extension_for_transformers.neural_chat.config", "obj": "", "line": 30, "column": 0, "path": "intel_extension_for_transformers/neural_chat/config.py", "symbol": "no-name-in-module", "message": "No name 'SparseBM25Retriever' in module 'intel_extension_for_transformers.neural_chat.pipeline.plugins.retrievals.retrieval'", "message-id": "E0611" }, { "type": "error", "module": "intel_extension_for_transformers.neural_chat.config", "obj": "", "line": 30, "column": 0, "path": "intel_extension_for_transformers/neural_chat/config.py", "symbol": "no-name-in-module", "message": "No name 'ChromaRetriever' in module 'intel_extension_for_transformers.neural_chat.pipeline.plugins.retrievals.retrieval'", "message-id": "E0611" }, { "type": "error", "module": "intel_extension_for_transformers.neural_chat.cli.cli_commands", "obj": "", "line": 23, "column": 0, "path": "intel_extension_for_transformers/neural_chat/cli/cli_commands.py", "symbol": "no-name-in-module", "message": "No name 'FinetuningConfig' in module 'intel_extension_for_transformers.neural_chat.config'", "message-id": "E0611" }, { "type": "error", "module": "intel_extension_for_transformers.neural_chat.pipeline.plugins.retrievals.indexing.document_parser", "obj": "DocumentIndexing.KB_construct", "line": 133, "column": 30, "path": "intel_extension_for_transformers/neural_chat/pipeline/plugins/retrievals/indexing/document_parser.py", "symbol": "unexpected-keyword-arg", "message": "Unexpected keyword argument 'metadata' in constructor call", "message-id": "E1123" } ]

@lvliang-intel E0611 is caused by xinyu's PR on yesterday but I did nothing change on the config.py. The other three issues are fixed

[hshen14]

@XinyuYe-Intel please take a look