sort import, line length at 119 characters, fix others flake8 errors

Author: chrsz

bvh.py

@@ -55,8 +55,7 @@ def tokenize(self):
         for char in self.data:
             if char not in ('\n', '\r'):
                 accumulator += char
-            else:
-                if accumulator:
+            elif accumulator:
                     first_round.append(re.split('\\s+', accumulator.strip()))
                     accumulator = ''
         node_stack = [self.root]

setup.py

@@ -8,4 +8,5 @@
       author='20Tab S.r.l.',
       author_email='info@20tab.com',
       url='https://github.com/20tab/bvh-python',
-      py_modules=['bvh'])
+      py_modules=['bvh'],
+      )

tests/test_bvh.py

@@ -1,4 +1,5 @@
 import unittest
+
 from bvh import Bvh, BvhNode
 
 
@@ -16,12 +17,16 @@ def test_empty_root(self):
     def test_tree(self):
         with open('tests/test_freebvh.bvh') as f:
             mocap = Bvh(f.read())
-        self.assertEqual([str(item) for item in mocap.root], ['HIERARCHY', 'ROOT mixamorig:Hips', 'MOTION', 'Frames: 69', 'Frame Time: 0.0333333'])
+        self.assertEqual([str(item) for item in mocap.root],
+                         ['HIERARCHY', 'ROOT mixamorig:Hips', 'MOTION', 'Frames: 69', 'Frame Time: 0.0333333']
+                         )
 
     def test_tree2(self):
         with open('tests/test_mocapbank.bvh') as f:
             mocap = Bvh(f.read())
-        self.assertEqual([str(item) for item in mocap.root], ['HIERARCHY', 'ROOT Hips', 'MOTION', 'Frames: 455', 'Frame Time: 0.033333'])
+        self.assertEqual([str(item) for item in mocap.root],
+                         ['HIERARCHY', 'ROOT Hips', 'MOTION', 'Frames: 455', 'Frame Time: 0.033333']
+                         )
 
     def test_filter(self):
         with open('tests/test_freebvh.bvh') as f:
@@ -109,7 +114,9 @@ def test_channels(self):
         with open('tests/test_mocapbank.bvh') as f:
             mocap = Bvh(f.read())
         self.assertEqual(mocap.joint_channels('LeftElbow'), ['Zrotation', 'Xrotation', 'Yrotation'])
-        self.assertEqual(mocap.joint_channels('Hips'), ['Xposition', 'Yposition', 'Zposition', 'Zrotation', 'Xrotation', 'Yrotation'])
+        self.assertEqual(mocap.joint_channels('Hips'),
+                         ['Xposition', 'Yposition', 'Zposition', 'Zrotation', 'Xrotation', 'Yrotation']
+                         )
 
     def test_frame_channel(self):
         with open('tests/test_mocapbank.bvh') as f: