fix(preview): format service_unit_test and platform_cost_test

autogpt_platform/backend/backend/copilot/baseline/service_unit_test.py

@@ -819,7 +819,6 @@ class TestBaselineCostExtraction:
         # response was never assigned so cost extraction must not raise
         assert state.cost_usd is None
 
-
     async def test_cost_estimated_from_tokens_when_header_missing(self):
         """cost_usd is estimated from token counts when x-total-cost is absent."""
         from backend.copilot.baseline.service import (
@@ -1026,6 +1025,7 @@ class TestBaselineCostExtraction:
         assert state.turn_prompt_tokens == 2100
         assert state.turn_completion_tokens == 500
 
+
 class TestMidLoopPendingFlushOrdering:
     """Regression test for the mid-loop pending drain ordering invariant.
 

autogpt_platform/backend/backend/data/platform_cost_test.py

@@ -37,7 +37,6 @@ class TestUsdToMicrodollars:
     def test_positive_value(self):
         assert usd_to_microdollars(0.001) == 1000
 
-
     def test_large_value(self):
         assert usd_to_microdollars(1.0) == 1_000_000