Fix all ruff errors: remove unused imports and format code

Author: MeridianAlgo-Developer

meridianalgo/portfolio/__init__.py

@@ -17,20 +17,44 @@
     RiskParityOptimizer,
 )
 
+__all__ = [
+    # Optimization
+    "PortfolioOptimizer",
+    "BlackLittermanOptimizer",
+    "RiskParityOptimizer",
+    "HierarchicalRiskParityOptimizer",
+    "FactorModelOptimizer",
+    "OptimizationResult",
+]
+
+# Risk Management
 try:
-    from .risk_management import RiskManager, RiskMetrics, StressTester, VaRCalculator  # noqa: F401
+    from .risk_management import (  # noqa: F401
+        RiskManager,
+        RiskMetrics,
+        StressTester,
+        VaRCalculator,
+    )
 
+    __all__.extend(["RiskManager", "VaRCalculator", "StressTester", "RiskMetrics"])
     RISK_MANAGEMENT_AVAILABLE = True
 except ImportError:
     RISK_MANAGEMENT_AVAILABLE = False
 
+# Performance Analysis
 try:
-    from .performance import AttributionAnalyzer, FactorAnalyzer, PerformanceAnalyzer  # noqa: F401
+    from .performance import (  # noqa: F401
+        AttributionAnalyzer,
+        FactorAnalyzer,
+        PerformanceAnalyzer,
+    )
 
+    __all__.extend(["PerformanceAnalyzer", "AttributionAnalyzer", "FactorAnalyzer"])
     PERFORMANCE_AVAILABLE = True
 except ImportError:
     PERFORMANCE_AVAILABLE = False
 
+# Transaction Costs
 try:
     from .transaction_costs import (  # noqa: F401
         LinearImpactModel,
@@ -39,10 +63,19 @@
         TransactionCostOptimizer,
     )
 
+    __all__.extend(
+        [
+            "TransactionCostOptimizer",
+            "TaxLossHarvester",
+            "LinearImpactModel",
+            "SquareRootImpactModel",
+        ]
+    )
     TRANSACTION_COSTS_AVAILABLE = True
 except ImportError:
     TRANSACTION_COSTS_AVAILABLE = False
 
+# Rebalancing
 try:
     from .rebalancing import (  # noqa: F401
         CalendarRebalancer,
@@ -51,38 +84,9 @@
         ThresholdRebalancer,
     )
 
-    REBALANCING_AVAILABLE = True
-except ImportError:
-    REBALANCING_AVAILABLE = False
-
-__all__ = [
-    # Optimization
-    "PortfolioOptimizer",
-    "BlackLittermanOptimizer",
-    "RiskParityOptimizer",
-    "HierarchicalRiskParityOptimizer",
-    "FactorModelOptimizer",
-    "OptimizationResult",
-]
-
-# Add available modules to __all__
-if RISK_MANAGEMENT_AVAILABLE:
-    __all__.extend(["RiskManager", "VaRCalculator", "StressTester", "RiskMetrics"])
-
-if PERFORMANCE_AVAILABLE:
-    __all__.extend(["PerformanceAnalyzer", "AttributionAnalyzer", "FactorAnalyzer"])
-
-if TRANSACTION_COSTS_AVAILABLE:
-    __all__.extend(
-        [
-            "TransactionCostOptimizer",
-            "TaxLossHarvester",
-            "LinearImpactModel",
-            "SquareRootImpactModel",
-        ]
-    )
-
-if REBALANCING_AVAILABLE:
     __all__.extend(
         ["Rebalancer", "CalendarRebalancer", "ThresholdRebalancer", "OptimalRebalancer"]
     )
+    REBALANCING_AVAILABLE = True
+except ImportError:
+    REBALANCING_AVAILABLE = False

meridianalgo/statistics.py

@@ -21,7 +21,10 @@
 # Check for optional dependencies
 try:
     import statsmodels.api as sm
-    from statsmodels.tsa.stattools import adfuller, coint, grangercausalitytests  # noqa: F401
+    from statsmodels.tsa.stattools import (
+        adfuller,
+        coint,
+    )
     from statsmodels.tsa.vector_ar.vecm import coint_johansen
 
     STATSMODELS_AVAILABLE = True

setup.py

@@ -188,6 +188,7 @@ def read_requirements(filename):
         ],
     },
     include_package_data=True,
+    license_files = [],   # ← this disables the automatic license-file metadata
     zip_safe=False,
     license="MIT",
 )

tests/test_data_infrastructure.py

@@ -21,7 +21,10 @@
         MissingDataHandler,
         OutlierDetector,
     )
-    from meridianalgo.data.providers import AlphaVantageProvider, YahooFinanceProvider  # noqa: F401
+    from meridianalgo.data.providers import (
+        AlphaVantageProvider,
+        YahooFinanceProvider,
+    )  # noqa: F401
 
     DATA_AVAILABLE = True
 except ImportError:

tests/test_machine_learning.py

@@ -82,9 +82,7 @@ def test_technical_features(self, sample_price_data):
             feature_names = features.columns.tolist()
 
             # Should contain some technical indicators
-            any(
-                name.lower() in ["rsi", "sma", "ema", "macd"] for name in feature_names
-            )
+            any(name.lower() in ["rsi", "sma", "ema", "macd"] for name in feature_names)
 
             print(" Technical features test passed")
         except Exception as e:

tests/test_risk_analysis.py

@@ -347,7 +347,10 @@ def test_error_handling(self, sample_returns):
 def test_risk_analysis_import():
     """Test that risk analysis can be imported."""
     try:
-        from meridianalgo.risk_analysis import ExpectedShortfall, VaRCalculator  # noqa: F401
+        from meridianalgo.risk_analysis import (
+            ExpectedShortfall,
+            VaRCalculator,
+        )  # noqa: F401
 
         print(" Risk analysis import test passed")
         return True