Update app.py

- Modification chunk parameters

app.py

@@ -41,19 +41,22 @@ def construct_index(doc):
 
   ## Define the prompt helper
     # Set maximum input size
-  max_input_size = 32000
+  max_input_size = 1800
 
     # Set number of output tokens
-  num_output = 600 # About 300 words
+  num_output = 400 # About 300 words
 
     #Set the chunk size limit 
   chunk_size_limit = 600 # About 450 words ~ 1 page
 
+    # Set maximum chunk overlap
+  max_chunk_overlap = 1
+
     # Set chunk overlap ratio 
-  chunk_overlap_ratio = 0.2
+  chunk_overlap_ratio = 0.5
 
     # Define prompt helper
-  prompt_helper = PromptHelper(max_input_size, num_output, chunk_size_limit, chunk_overlap_ratio)
+  prompt_helper = PromptHelper(max_input_size, num_output, max_chunk_overlap, chunk_size_limit, chunk_overlap_ratio)
 
   ## Define the LLM predictor 
   llm_predictor = LLMPredictor(llm=ChatOpenAI(temperature=0.4, model_name="gpt-4-32k", max_tokens=num_output))