Update app.py

app.py

@@ -75,31 +75,10 @@ def create_retriever_from_chroma(vectorstore_path="./docs/chroma/", search_type=
     
     retriever=vectorstore.as_retriever(search_type = search_type, search_kwargs={"k": k})
 
-    callback_manager = CallbackManager([StreamingStdOutCallbackHandler()])
-    
-    llm = llamacpp.LlamaCpp(
-        model_path = "qwen2-0_5b-instruct-q8_0.gguf",
-        seed = 41,
-        n_gpu_layers=0,
-        temperature=0.0,
-        n_ctx=15000,
-        n_batch=2000,
-        max_tokens=1500,
-        repeat_penalty=1.5,
-        last_n_tokens_size = 400,
-        callback_manager=callback_manager,
-        verbose=False,
-    )
-
-    compressor = LLMChainExtractor.from_llm(llm)
     
-    compression_retriever = ContextualCompressionRetriever(
-    base_compressor=compressor,
-    base_retriever=retriever
-)
     
 
-    return compression_retriever
+    return retriever