Revert "isort"

This reverts commit 853d939.

Author: fkiraly

tests/test_black_litterman.py

@@ -3,9 +3,11 @@
 import pytest
 
 from pypfopt import expected_returns, risk_models
-from pypfopt.black_litterman import (BlackLittermanModel,
-                                     market_implied_prior_returns,
-                                     market_implied_risk_aversion)
+from pypfopt.black_litterman import (
+    BlackLittermanModel,
+    market_implied_prior_returns,
+    market_implied_risk_aversion,
+)
 from tests.utilities_for_tests import get_data, get_market_caps, resource
 
 

tests/test_custom_objectives.py

@@ -2,8 +2,13 @@
 import numpy as np
 import pytest
 
-from pypfopt import (EfficientFrontier, exceptions, expected_returns,
-                     objective_functions, risk_models)
+from pypfopt import (
+    EfficientFrontier,
+    exceptions,
+    expected_returns,
+    objective_functions,
+    risk_models,
+)
 from pypfopt.base_optimizer import BaseConvexOptimizer
 from tests.utilities_for_tests import get_data, setup_efficient_frontier
 

tests/test_efficient_frontier.py

@@ -6,11 +6,19 @@
 import pytest
 import scipy.optimize as sco
 
-from pypfopt import (EfficientFrontier, exceptions, expected_returns,
-                     objective_functions, risk_models)
-from tests.utilities_for_tests import (get_cov_matrix, get_data,
-                                       setup_efficient_frontier,
-                                       simple_ef_weights)
+from pypfopt import (
+    EfficientFrontier,
+    exceptions,
+    expected_returns,
+    objective_functions,
+    risk_models,
+)
+from tests.utilities_for_tests import (
+    get_cov_matrix,
+    get_data,
+    setup_efficient_frontier,
+    simple_ef_weights,
+)
 
 
 def test_data_source():

tests/test_efficient_semivariance.py

@@ -2,8 +2,13 @@
 import pytest
 from cvxpy.error import SolverError
 
-from pypfopt import (EfficientFrontier, EfficientSemivariance,
-                     expected_returns, objective_functions, risk_models)
+from pypfopt import (
+    EfficientFrontier,
+    EfficientSemivariance,
+    expected_returns,
+    objective_functions,
+    risk_models,
+)
 from tests.utilities_for_tests import get_data, setup_efficient_semivariance
 
 

tests/test_imports.py

@@ -1,26 +1,46 @@
 def test_import_modules():
-    from pypfopt import (base_optimizer, black_litterman, cla,
-                         discrete_allocation, exceptions, expected_returns,
-                         hierarchical_portfolio, objective_functions, plotting,
-                         risk_models)
+    from pypfopt import (
+        base_optimizer,
+        black_litterman,
+        cla,
+        discrete_allocation,
+        exceptions,
+        expected_returns,
+        hierarchical_portfolio,
+        objective_functions,
+        plotting,
+        risk_models,
+    )
 
 
 def test_explicit_import():
-    from pypfopt.black_litterman import (BlackLittermanModel,
-                                         market_implied_prior_returns,
-                                         market_implied_risk_aversion)
+    from pypfopt.black_litterman import (
+        BlackLittermanModel,
+        market_implied_prior_returns,
+        market_implied_risk_aversion,
+    )
     from pypfopt.cla import CLA
-    from pypfopt.discrete_allocation import (DiscreteAllocation,
-                                             get_latest_prices)
-    from pypfopt.efficient_frontier import (EfficientCVaR, EfficientFrontier,
-                                            EfficientSemivariance)
+    from pypfopt.discrete_allocation import DiscreteAllocation, get_latest_prices
+    from pypfopt.efficient_frontier import (
+        EfficientCVaR,
+        EfficientFrontier,
+        EfficientSemivariance,
+    )
     from pypfopt.hierarchical_portfolio import HRPOpt
     from pypfopt.risk_models import CovarianceShrinkage
 
 
 def test_import_toplevel():
-    from pypfopt import (CLA, BlackLittermanModel, CovarianceShrinkage,
-                         DiscreteAllocation, EfficientCVaR, EfficientFrontier,
-                         EfficientSemivariance, HRPOpt, get_latest_prices,
-                         market_implied_prior_returns,
-                         market_implied_risk_aversion)
+    from pypfopt import (
+        CLA,
+        BlackLittermanModel,
+        CovarianceShrinkage,
+        DiscreteAllocation,
+        EfficientCVaR,
+        EfficientFrontier,
+        EfficientSemivariance,
+        HRPOpt,
+        get_latest_prices,
+        market_implied_prior_returns,
+        market_implied_risk_aversion,
+    )

tests/test_objective_functions.py

@@ -2,8 +2,7 @@
 import pandas as pd
 
 from pypfopt import objective_functions
-from pypfopt.expected_returns import (mean_historical_return,
-                                      returns_from_prices)
+from pypfopt.expected_returns import mean_historical_return, returns_from_prices
 from pypfopt.risk_models import sample_cov
 from tests.utilities_for_tests import get_data
 

tests/test_plotting.py

@@ -7,8 +7,14 @@
 import pandas as pd
 import pytest
 
-from pypfopt import (CLA, EfficientFrontier, HRPOpt, expected_returns,
-                     plotting, risk_models)
+from pypfopt import (
+    CLA,
+    EfficientFrontier,
+    HRPOpt,
+    expected_returns,
+    plotting,
+    risk_models,
+)
 from tests.utilities_for_tests import get_data, setup_efficient_frontier
 
 

tests/utilities_for_tests.py

@@ -5,9 +5,12 @@
 
 from pypfopt import expected_returns, risk_models
 from pypfopt.cla import CLA
-from pypfopt.efficient_frontier import (EfficientCDaR, EfficientCVaR,
-                                        EfficientFrontier,
-                                        EfficientSemivariance)
+from pypfopt.efficient_frontier import (
+    EfficientCDaR,
+    EfficientCVaR,
+    EfficientFrontier,
+    EfficientSemivariance,
+)
 
 
 def resource(name):