Merge pull request #474 from okuchap/bugfix

Fix alerts by lgtm

Author: oyamad

quantecon/compute_fp.py

@@ -120,7 +120,6 @@ def compute_fixed_point(T, v, error_tol=1e-3, max_iter=50, verbose=2,
 
     # method == 'iteration'
     iterate = 0
-    error = error_tol + 1
 
     if verbose == 2:
         start_time = time.time()

quantecon/estspec.py

@@ -146,9 +146,6 @@ def ar_periodogram(x, window='hanning', window_len=7):
     # === compute periodogram on residuals === #
     w, I_w = periodogram(e_hat, window=window, window_len=window_len)
 
-    # === compute periodogram on residuals === #
-    w, I_w = periodogram(e_hat, window=window, window_len=window_len)
-
     # === recolor and return === #
     I_w = I_w / np.abs(1 - phi * np.exp(1j * w))**2
 

quantecon/game_theory/repeated_game.py

@@ -122,7 +122,6 @@ def _equilibrium_payoffs_abreu_sannikov(rpg, tol=1e-12, max_iter=500,
         raise NotImplementedError(msg)
 
     best_dev_gains = _best_dev_gains(rpg)
-    C = np.empty((4, 2))
     IC = np.empty(2)
     action_profile_payoff = np.empty(2)
     # auxiliary array for checking if payoff is inside the convex hull