chore(techdebt): avoid new mutable literal in gigachat tool conversion

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

basedpyright-code-budget.json

@@ -57,7 +57,7 @@
     "limit": 5601
   },
   "reportMissingTypeArgument": {
-    "limit": 15296
+    "limit": 15292
   },
   "reportMissingTypeStubs": {
     "limit": 40
@@ -105,13 +105,13 @@
     "limit": 109
   },
   "reportUnknownMemberType": {
-    "limit": 38341
+    "limit": 38335
   },
   "reportUnknownParameterType": {
     "limit": 19625
   },
   "reportUnknownVariableType": {
-    "limit": 29873
+    "limit": 29865
   },
   "reportUnnecessaryCast": {
     "limit": 111

litellm/llms/gigachat/chat/transformation.py

@@ -10,6 +10,7 @@ import json
 import time
 import uuid
 from collections.abc import AsyncIterator, Iterator, Mapping, Sequence
+from types import MappingProxyType
 from typing import TYPE_CHECKING, Any, Final
 
 import httpx
@@ -34,6 +35,9 @@ else:
     LiteLLMLoggingObj = Any
 
 
+_EMPTY_FUNCTION: Final[Mapping[str, object]] = MappingProxyType({})
+
+
 def is_valid_json(value: str) -> bool:
     """Checks whether the value passed is a valid serialized JSON string"""
     try:
@@ -213,7 +217,9 @@ class GigaChatConfig(BaseConfig):
                 "parameters": function.get("parameters", {}),
             }
             for function in (
-                tool.get("function", {}) for tool in tools if isinstance(tool, dict) and tool.get("type") == "function"
+                tool.get("function", _EMPTY_FUNCTION)
+                for tool in tools
+                if isinstance(tool, dict) and tool.get("type") == "function"
             )
         ]
 

type-discipline-budget.json

@@ -6,7 +6,7 @@
     "limit": 26774
   },
   "LIT003": {
-    "limit": 264
+    "limit": 262
   },
   "LIT004": {
     "limit": 40
@@ -27,10 +27,10 @@
     "limit": 0
   },
   "LIT010": {
-    "limit": 16492
+    "limit": 16488
   },
   "LIT011": {
-    "limit": 5527
+    "limit": 5523
   },
   "LIT012": {
     "limit": 4495