Fix additional flake8 errors

Author: nicoddemus

testing/code/test_source.py

@@ -342,7 +342,8 @@ def __init__(self, *args):
             self.source = _pytest._code.Frame(frame).statement
 
     x = A('x',
-          'y',
+          'y'
+          ,
           'z')
 
     l = [i for i in x.source.lines if i.strip()]

testing/python/approx.py

@@ -29,7 +29,9 @@ def test_repr_string(self):
         if sys.version_info[:2] == (2, 6):
             tol1, tol2, infr = '???', '???', '???'
         assert repr(approx(1.0)) == '1.0 {pm} {tol1}'.format(pm=plus_minus, tol1=tol1)
-        assert repr(approx([1.0, 2.0])) == '1.0 {pm} {tol1}, 2.0 {pm} {tol2}'.format(
+        assert repr(approx([1.0, 2.0])) == 'approx([1.0 {pm} {tol1}, 2.0 {pm} {tol2}])'.format(
+            pm=plus_minus, tol1=tol1, tol2=tol2)
+        assert repr(approx((1.0, 2.0))) == 'approx((1.0 {pm} {tol1}, 2.0 {pm} {tol2}))'.format(
             pm=plus_minus, tol1=tol1, tol2=tol2)
         assert repr(approx(inf)) == 'inf'
         assert repr(approx(1.0, rel=nan)) == '1.0 {pm} ???'.format(pm=plus_minus)