chore: refurish python code by applying Pylint linter rules (#8322)

api/core/tools/utils/message_transformer.py

@@ -19,7 +19,7 @@ class ToolFileMessageTransformer:
         result = []
 
         for message in messages:
-            if message.type == ToolInvokeMessage.MessageType.TEXT or message.type == ToolInvokeMessage.MessageType.LINK:
+            if message.type in {ToolInvokeMessage.MessageType.TEXT, ToolInvokeMessage.MessageType.LINK}:
                 result.append(message)
             elif message.type == ToolInvokeMessage.MessageType.IMAGE:
                 # try to download image

api/core/tools/utils/parser.py

@@ -165,7 +165,7 @@ class ApiBasedToolSchemaParser:
         elif "schema" in parameter and "type" in parameter["schema"]:
             typ = parameter["schema"]["type"]
 
-        if typ == "integer" or typ == "number":
+        if typ in {"integer", "number"}:
             return ToolParameter.ToolParameterType.NUMBER
         elif typ == "boolean":
             return ToolParameter.ToolParameterType.BOOLEAN

api/core/tools/utils/web_reader_tool.py

@@ -313,7 +313,7 @@ def normalize_whitespace(text):
 
 
 def is_leaf(element):
-    return element.name in ["p", "li"]
+    return element.name in {"p", "li"}
 
 
 def is_text(element):