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Fix chat-langchain app can't run locally #120

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Fix chat-langchain app can't run locally #120

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3 changes: 2 additions & 1 deletion ingest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -86,11 +86,12 @@ def ingest_docs():
client.schema.delete_class("LangChain_newest_idx") # delete the class if it already exists

embeddings = OpenAIEmbeddings(chunk_size=200) # rate limit
weav = Weaviate(client=client, index_name="LangChain_newest_idx", text_key="text", embedding=embeddings, by_text=False)

batch_size = 100 # to handle batch size limit
for i in range(0, len(docs_transformed), batch_size):
batch = docs_transformed[i:i+batch_size]
Weaviate.add_documents(batch, embeddings, client=client, by_text=False, index_name="LangChain_newest_idx")
weav.add_documents(batch)

print("LangChain now has this many vectors", client.query.aggregate("LangChain_newest_idx").with_meta_count().do())

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4 changes: 2 additions & 2 deletions main.py
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Expand Up @@ -119,7 +119,7 @@ def create_chain(
]
)

final_model = ChatOpenAI(model="gpt-4") if model_provider == "openai" else ChatAnthropic(model_name="claude-2")
final_model = ChatOpenAI(model="gpt-3.5-turbo-16k") if model_provider == "openai" else ChatAnthropic(model_name="claude-2")
chain = (
_inputs
| _context
Expand All @@ -142,7 +142,7 @@ def _get_retriever():
)
weaviate_client = Weaviate(
client=client,
index_name="LangChain_test_idx",
index_name="LangChain_newest_idx",
text_key="text",
embedding=embeddings,
by_text=False,
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4 changes: 3 additions & 1 deletion requirements.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -13,4 +13,6 @@ unstructured
libmagic
tiktoken
weaviate-client
anthropic
anthropic
GitPython
html2text