Applied pep8

tests/test_line.py

@@ -340,7 +340,10 @@ class TestLine(unittest.TestCase):
 
     def test_preprocess_str_exp(self):
         root = N('-', L(1))
-        def addbrackets(self): self[0] = N('[]', self[0])
+
+        def addbrackets(self):
+            self[0] = N('[]', self[0])
+
         root.preprocess_str_exp = new.instancemethod(addbrackets, root)
         self.assertEquals(generate_line(root), '-[1]')
 
@@ -356,4 +359,3 @@ class TestLine(unittest.TestCase):
 
         root = N('*', N('*', L(2), L('b')), -N('*', L(3), L('b')))
         self.assertEquals(generate_line(root), '2b * -3b')
-