feat: code cleaning!

added other variables as global variable

utils/globals.py

@@ -1,5 +1,6 @@
 # the theshold to skip nodes of being included in an answer
 RETRIEVER_THRESHOLD = 0.4
+REFERENCE_SCORE_THRESHOLD = 0.5
 INVALID_QUERY_RESPONSE = (
     "We're unable to process your query. Please refine it and try again."
 )

utils/query_engine/prepare_answer_sources.py

@@ -1,17 +1,20 @@
 import logging
 
 from llama_index.core.schema import NodeWithScore
+from utils.globals import REFERENCE_SCORE_THRESHOLD
 
 
 class PrepareAnswerSources:
-    def __init__(self, threshold: float = 0.5, max_refs_per_source: int = 3) -> None:
+    def __init__(
+        self, threshold: float = REFERENCE_SCORE_THRESHOLD, max_refs_per_source: int = 3
+    ) -> None:
         """
         Initialize the PrepareAnswerSources class.
 
         Parameters
         ----------
         threshold : float, optional
-            Minimum score threshold for including a node's URL, by default 0.5
+            Minimum score threshold for including a node's URL, by default 0.5 set in globals file
         max_refs_per_source : int, optional
             Maximum number of references to include per data source, by default 3
         """