fix nullable in the semantic tool schema

Author: Shashikant86

stackone_ai/utility_tools.py

@@ -222,8 +222,8 @@ def execute_filter(arguments: str | JsonDict | None = None) -> JsonDict:
             kwargs = arguments or {}
 
         query = kwargs.get("query", "")
-        limit = int(kwargs.get("limit", 5))
-        min_score = float(kwargs.get("minScore", 0.0))
+        limit = int(kwargs.get("limit") or 5)
+        min_score = float(kwargs.get("minScore") or 0.0)
 
         # Search for tools
         results = index.search(query, limit, min_score)
@@ -331,8 +331,8 @@ def execute_search(arguments: str | JsonDict | None = None) -> JsonDict:
             kwargs = arguments or {}
 
         query = kwargs.get("query", "")
-        limit = int(kwargs.get("limit", 5))
-        min_score = float(kwargs.get("minScore", 0.0))
+        limit = int(kwargs.get("limit") or 5)
+        min_score = float(kwargs.get("minScore") or 0.0)
         connector = kwargs.get("connector")
 
         response = semantic_client.search(