diff --git a/modopt/opt/algorithms.py b/modopt/opt/algorithms.py
index 8fddf48d..ea8026d8 100644
--- a/modopt/opt/algorithms.py
+++ b/modopt/opt/algorithms.py
@@ -686,8 +686,8 @@ def __init__(self, x, grad, prox_list, cost='auto', gamma_param=1.0,
         self._x_old = np.copy(x)
 
         # Set the algorithm operators
-        (self._check_operator(operator) for operator in [grad, cost]
-         + prox_list)
+        (self._check_operator(operator) for operator in [grad, cost] +
+         prox_list)
         self._grad = grad
         self._prox_list = np.array(prox_list)
         self._linear = linear
@@ -908,7 +908,7 @@ class Condat(SetUp):
     """
 
     def __init__(self, x, y, grad, prox, prox_dual, linear=None, cost='auto',
-                 reweight=None, rho=0.5,  sigma=1.0, tau=1.0, rho_update=None,
+                 reweight=None, rho=0.5, sigma=1.0, tau=1.0, rho_update=None,
                  sigma_update=None, tau_update=None, auto_iterate=True,
                  max_iter=150, n_rewightings=1, metric_call_period=5,
                  metrics={}):
diff --git a/modopt/tests/test_base.py b/modopt/tests/test_base.py
index ed49f062..25305062 100644
--- a/modopt/tests/test_base.py
+++ b/modopt/tests/test_base.py
@@ -42,7 +42,7 @@ def test_rotate_stack(self):
         npt.assert_array_equal(np_adjust.rotate_stack(self.data2),
                                np.array([[[8, 7, 6], [5, 4, 3], [2, 1, 0]],
                                          [[17, 16, 15], [14, 13, 12],
-                                         [11, 10,  9]]]),
+                                         [11, 10, 9]]]),
                                err_msg='Incorrect stack rotation')
 
     def test_pad2d(self):
diff --git a/modopt/tests/test_signal.py b/modopt/tests/test_signal.py
index eb45c122..2fa10125 100644
--- a/modopt/tests/test_signal.py
+++ b/modopt/tests/test_signal.py
@@ -143,9 +143,9 @@ def setUp(self):
                                 [-0.21816724, -0.28316221],
                                 [-0.28507434, -0.17275339],
                                 [-0.35198144, -0.06234457],
-                                [-0.41888854,  0.04806424],
-                                [-0.48579564,  0.15847306],
-                                [-0.55270274,  0.26888188]]),
+                                [-0.41888854, 0.04806424],
+                                [-0.48579564, 0.15847306],
+                                [-0.55270274, 0.26888188]]),
                       np.array([42.23492742, 1.10041151]),
                       np.array([[-0.67608034, -0.73682791],
                                 [0.73682791, -0.67608034]]))
diff --git a/setup.cfg b/setup.cfg
index 0b01e8bd..6284f904 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -11,4 +11,4 @@ description-file = README.rst
 [tool:pytest]
 addopts = --verbose --pep8 --cov=modopt
 testpaths = modopt
-pep8ignore = E402
+pep8ignore = E121 E126 E402