fixed tests bug

alphamind/tests/analysis/test_riskanalysis.py

@@ -14,7 +14,7 @@ from alphamind.analysis.riskanalysis import risk_analysis
 class TestRiskAnalysis(unittest.TestCase):
 
     @staticmethod
-    def test_risk_analysis(self):
+    def test_risk_analysis():
         n_samples = 36000
         n_dates = 20
         n_risk_factors = 35

alphamind/tests/portfolio/test_constraints.py

@@ -13,7 +13,7 @@ from alphamind.portfolio.constraints import Constraints
 class TestConstraints(unittest.TestCase):
 
     @staticmethod
-    def test_constraints(self):
+    def test_constraints():
         cons = Constraints()
 
         test_exp = np.array([[1., 2.],