From 0f3068d1567de8d0f50c2ad8761d584dbddcc700 Mon Sep 17 00:00:00 2001
From: Christoph Groth <christoph.groth@cea.fr>
Date: Tue, 10 Nov 2015 12:12:35 +0100
Subject: [PATCH] fix formatting

---
 examples/square.py               | 1 +
 kwant/builder.py                 | 2 --
 kwant/digest.py                  | 2 --
 kwant/graph/tests/test_scotch.py | 8 ++++----
 kwant/graph/tests/test_utils.py  | 2 +-
 kwant/lattice.py                 | 2 --
 kwant/linalg/lll.py              | 3 +--
 kwant/rmt.py                     | 2 --
 kwant/system.py                  | 1 -
 kwant/tests/test_builder.py      | 1 -
 kwant/tests/test_lattice.py      | 1 -
 11 files changed, 7 insertions(+), 18 deletions(-)

diff --git a/examples/square.py b/examples/square.py
index c61089cd..580df113 100644
--- a/examples/square.py
+++ b/examples/square.py
@@ -9,6 +9,7 @@ from kwant.physics.leads import square_selfenergy
 
 __all__ = ['System']
 
+
 class Lead(object):
     def __init__(self, width, t, potential):
         self.width = width
diff --git a/kwant/builder.py b/kwant/builder.py
index b8a37d17..cd83747d 100644
--- a/kwant/builder.py
+++ b/kwant/builder.py
@@ -6,8 +6,6 @@
 # the file AUTHORS.rst at the top-level directory of this distribution and at
 # http://kwant-project.org/authors.
 
-
-
 __all__ = ['Builder', 'Site', 'SiteFamily', 'SimpleSiteFamily', 'Symmetry',
            'HoppingKind', 'Lead', 'BuilderLead', 'SelfEnergyLead', 'ModesLead']
 
diff --git a/kwant/digest.py b/kwant/digest.py
index 7d2d16d9..0b502d5f 100644
--- a/kwant/digest.py
+++ b/kwant/digest.py
@@ -19,8 +19,6 @@ good enough to pass the "dieharder" battery of tests: see the function `test` of
 this module.
 """
 
-
-
 from math import pi, log, sqrt, cos
 from hashlib import md5
 from struct import unpack
diff --git a/kwant/graph/tests/test_scotch.py b/kwant/graph/tests/test_scotch.py
index ca7e25af..2ded31ae 100644
--- a/kwant/graph/tests/test_scotch.py
+++ b/kwant/graph/tests/test_scotch.py
@@ -17,9 +17,9 @@ def _DISABLED_test_bisect():
     size = 5
     graph = Graph()
 
-    for i in range(size-1):
+    for i in range(size - 1):
         offset = i * size
-        for j in range(size-1):
+        for j in range(size - 1):
             graph.add_edge(offset + j, offset + j + 1)
             graph.add_edge(offset + j + 1, offset + j)
         if i > 0:
@@ -36,9 +36,9 @@ def _DISABLED_test_reset():
     size = 5
     graph = Graph()
 
-    for i in range(size-1):
+    for i in range(size - 1):
         offset = i * size
-        for j in range(size-1):
+        for j in range(size - 1):
             graph.add_edge(offset + j, offset + j + 1)
             graph.add_edge(offset + j + 1, offset + j)
         if i > 0:
diff --git a/kwant/graph/tests/test_utils.py b/kwant/graph/tests/test_utils.py
index ae7f3d22..0906765e 100644
--- a/kwant/graph/tests/test_utils.py
+++ b/kwant/graph/tests/test_utils.py
@@ -83,7 +83,7 @@ def test_induced_subgraph():
     num_nodes = 6
 
     graph = Graph()
-    for i in range(num_nodes-1):
+    for i in range(num_nodes - 1):
         graph.add_edge(i, i + 1)
     graph.add_edge(1, 0)
     g = graph.compressed()
diff --git a/kwant/lattice.py b/kwant/lattice.py
index ff74ecd2..e9322898 100644
--- a/kwant/lattice.py
+++ b/kwant/lattice.py
@@ -6,8 +6,6 @@
 # the file AUTHORS.rst at the top-level directory of this distribution and at
 # http://kwant-project.org/authors.
 
-
-
 __all__ = ['TranslationalSymmetry', 'general', 'Polyatomic', 'Monatomic',
            'chain', 'square', 'triangular', 'honeycomb', 'kagome']
 
diff --git a/kwant/linalg/lll.py b/kwant/linalg/lll.py
index 9a29b473..c9f2540f 100644
--- a/kwant/linalg/lll.py
+++ b/kwant/linalg/lll.py
@@ -6,13 +6,12 @@
 # the file AUTHORS.rst at the top-level directory of this distribution and at
 # http://kwant-project.org/authors.
 
-
-
 __all__ = ['lll', 'cvp', 'voronoi']
 
 import numpy as np
 from itertools import product
 
+
 def gs_coefficient(a, b):
     """Gram-Schmidt coefficient."""
     return np.dot(a, b) / np.linalg.norm(b)**2
diff --git a/kwant/rmt.py b/kwant/rmt.py
index 1d307f66..6442fc0a 100644
--- a/kwant/rmt.py
+++ b/kwant/rmt.py
@@ -6,8 +6,6 @@
 # the file AUTHORS.rst at the top-level directory of this distribution and at
 # http://kwant-project.org/authors.
 
-
-
 __all__ = ['gaussian', 'circular']
 
 import numpy as np
diff --git a/kwant/system.py b/kwant/system.py
index 45d0b473..ca541b4a 100644
--- a/kwant/system.py
+++ b/kwant/system.py
@@ -8,7 +8,6 @@
 
 """Low-level interface of systems"""
 
-
 __all__ = ['System', 'FiniteSystem', 'InfiniteSystem']
 
 import abc
diff --git a/kwant/tests/test_builder.py b/kwant/tests/test_builder.py
index 920bc2ff..11b95c4b 100644
--- a/kwant/tests/test_builder.py
+++ b/kwant/tests/test_builder.py
@@ -6,7 +6,6 @@
 # the file AUTHORS.rst at the top-level directory of this distribution and at
 # http://kwant-project.org/authors.
 
-
 import warnings
 from random import Random
 from nose.tools import assert_raises
diff --git a/kwant/tests/test_lattice.py b/kwant/tests/test_lattice.py
index a9f8a94a..f2169863 100644
--- a/kwant/tests/test_lattice.py
+++ b/kwant/tests/test_lattice.py
@@ -6,7 +6,6 @@
 # the file AUTHORS.rst at the top-level directory of this distribution and at
 # http://kwant-project.org/authors.
 
-
 from math import sqrt
 import numpy as np
 import tinyarray as ta
-- 
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