test: tidy price-derivation cleanup

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

tests/test_litellm/llms/bedrock/messages/invoke_transformations/test_anthropic_claude3_transformation.py

@@ -9,27 +9,28 @@ from unittest.mock import Mock
 
 import pytest
 
-from litellm.constants import (
-    BEDROCK_MIN_THINKING_BUDGET_TOKENS,
-    DEFAULT_REASONING_EFFORT_HIGH_THINKING_BUDGET,
-    DEFAULT_REASONING_EFFORT_MEDIUM_THINKING_BUDGET,
-    DEFAULT_REASONING_EFFORT_XHIGH_THINKING_BUDGET,
-)
-
 # Ensure the project root is on the import path so `litellm` can be imported when
 # tests are executed from any working directory.
+
 from litellm.litellm_core_utils.litellm_logging import Logging as LiteLLMLoggingObj
 from litellm.llms.bedrock.common_utils import (
     ensure_bedrock_anthropic_messages_tool_names,
     normalize_custom_field_on_tools,
     normalize_tool_input_schema_types_for_bedrock_invoke,
 )
+from litellm.constants import (
+    BEDROCK_MIN_THINKING_BUDGET_TOKENS,
+    DEFAULT_REASONING_EFFORT_HIGH_THINKING_BUDGET,
+    DEFAULT_REASONING_EFFORT_MEDIUM_THINKING_BUDGET,
+    DEFAULT_REASONING_EFFORT_XHIGH_THINKING_BUDGET,
+)
 from litellm.llms.bedrock.messages.invoke_transformations.anthropic_claude3_transformation import (
     AmazonAnthropicClaudeMessagesConfig,
     AmazonAnthropicClaudeMessagesStreamDecoder,
 )
 
 
+
 @pytest.mark.asyncio
 async def test_bedrock_sse_wrapper_encodes_dict_chunks():
     """Verify that `bedrock_sse_wrapper` converts dictionary chunks to properly formatted Server-Sent Events and forwards non-dict chunks unchanged."""
@@ -2931,6 +2932,7 @@ def test_bedrock_messages_thinking_shape_follows_exact_bedrock_entry_flag(
     forced ``thinking.type='adaptive'`` even with ``supports_adaptive_thinking``
     explicitly set to ``false`` on the entry."""
     import litellm
+
     from litellm.types.router import GenericLiteLLMParams
 
     model = "global.anthropic.claude-opus-4-8"

tests/test_litellm/llms/gemini/realtime/test_gemini_realtime_transformation.py

@@ -1911,6 +1911,8 @@ def test_gemini_response_done_bills_audio_output_tokens_at_audio_rate(monkeypatc
         + 51 * model_info["output_cost_per_audio_token"]
         + 37 * model_info["output_cost_per_token"]
     )
+
+
 @pytest.fixture(autouse=False)
 def patch_gemini_transcribe_live_cost_map_entry(monkeypatch):
     """Inject the gemini-3.5-transcribe-live registry entry locally.

tests/test_litellm/test_cost_calculator.py

@@ -569,7 +569,7 @@ def test_realtime_logging_object_does_not_validate_unknown_event_types():
 
 def test_realtime_transcription_duration_cost(monkeypatch):
     """
-    gpt-realtime-whisper transcription sessions are billed by input audio duration
+    gpt-realtime-whisper transcription sessions are billed by input audio duration.
     The .completed events carry usage {type: duration, seconds: N};
     cost must equal total_seconds * input_cost_per_second.
     """