(feat) update backend style

backend/services/backend_api_client.py

@@ -1,4 +1,4 @@
-from typing import Optional, Dict
+from typing import Dict, Optional
 
 import pandas as pd
 import requests
@@ -115,7 +115,8 @@ class BackendAPIClient:
     def stop_bot(self, bot_name: str, skip_order_cancellation: bool = False, async_backend: bool = True):
         """Stop a Hummingbot bot."""
         endpoint = "stop-bot"
-        return self.post(endpoint, payload={"bot_name": bot_name, "skip_order_cancellation": skip_order_cancellation, "async_backend": async_backend})
+        return self.post(endpoint, payload={"bot_name": bot_name, "skip_order_cancellation": skip_order_cancellation,
+                                            "async_backend": async_backend})
 
     def import_strategy(self, strategy_config: dict):
         """Import a trading strategy to a bot."""

backend/services/coingecko_client.py

@@ -1,8 +1,8 @@
+import re
 import time
 
-from pycoingecko import CoinGeckoAPI
 import pandas as pd
-import re
+from pycoingecko import CoinGeckoAPI
 
 
 class CoinGeckoClient:

backend/utils/optuna_database_manager.py

@@ -1,5 +1,5 @@
-import os
 import json
+import os
 from typing import Optional
 
 import pandas as pd
@@ -102,18 +102,6 @@ class OptunaDBManager:
         except Exception as e:
             return f"Error: {str(e)}"
 
-    @property
-    def trial_system_attributes(self):
-        return self._get_trial_system_attributes_table()
-
-    def _get_trial_system_attributes_table(self):
-        try:
-            with self.session_maker() as session:
-                df = pd.read_sql_query(text("SELECT * FROM trial_system_attributes"), session.connection())
-            return df
-        except Exception as e:
-            return f"Error: {str(e)}"
-
     @property
     def version_info(self):
         return self._get_version_info_table()

backend/utils/os_utils.py

@@ -1,14 +1,19 @@
 import glob
-import subprocess
 import importlib.util
 import inspect
 import os
+import subprocess
 
 import pandas as pd
-
 import yaml
-from hummingbot.strategy_v2.controllers.directional_trading_controller_base import DirectionalTradingControllerBase, DirectionalTradingControllerConfigBase
-from hummingbot.strategy_v2.controllers.market_making_controller_base import MarketMakingControllerBase, MarketMakingControllerConfigBase
+from hummingbot.strategy_v2.controllers.directional_trading_controller_base import (
+    DirectionalTradingControllerBase,
+    DirectionalTradingControllerConfigBase,
+)
+from hummingbot.strategy_v2.controllers.market_making_controller_base import (
+    MarketMakingControllerBase,
+    MarketMakingControllerConfigBase,
+)
 
 
 def remove_files_from_directory(directory: str):