Remove unused variable (#526)

QuantEcon · Feb 6, 2020 · f387a72 · f387a72
1 parent 0e30f47
commit f387a72
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/quantecon/robustlq.py b/quantecon/robustlq.py
@@ -392,7 +392,6 @@ def evaluate_F(self, F):
         d_F = log(det(H))
 
         # == Compute O_F and o_F == #
-        sig = -1.0 / theta
         AO = sqrt(beta) * (A - dot(B, F) + dot(C, K_F))
         O_F = solve_discrete_lyapunov(AO.T, beta * dot(K_F.T, K_F))
         ho = (trace(H - 1) - d_F) / 2.0