fix: resolve lint issues and final integration fixes

- Fix ambiguous variable name in binance_rest.py
- Remove unused volumes variable in volume_profile_strategy.py
- Fix import ordering in backtester main.py and test_metrics.py
- Auto-format all files with ruff

1 files changed, 9 insertions, 7 deletions

diff --git a/services/strategy-engine/tests/test_grid_strategy.py b/services/strategy-engine/tests/test_grid_strategy.py
index d96ebba..79eb22a 100644
--- a/services/strategy-engine/tests/test_grid_strategy.py
+++ b/services/strategy-engine/tests/test_grid_strategy.py
@@ -1,8 +1,8 @@
 """Tests for the Grid strategy."""
+
 from datetime import datetime, timezone
 from decimal import Decimal
 
-import pytest
 
 from shared.models import Candle, OrderSide
 from strategies.grid_strategy import GridStrategy
@@ -23,12 +23,14 @@ def make_candle(close: float) -> Candle:
 
 def _configured_strategy() -> GridStrategy:
     strategy = GridStrategy()
-    strategy.configure({
-        "lower_price": 48000,
-        "upper_price": 52000,
-        "grid_count": 5,
-        "quantity": "0.01",
-    })
+    strategy.configure(
+        {
+            "lower_price": 48000,
+            "upper_price": 52000,
+            "grid_count": 5,
+            "quantity": "0.01",
+        }
+    )
     return strategy