More PEP-8 edits

pygridgen/grid.py

@@ -986,7 +986,7 @@ def generate_grid(self):
         super(Gridgen, self).__init__(x, y)
 
     def to_spec(self):
-        focus = Focus.from_spec(self.focus.to_spec())       
+        focus = Focus.from_spec(self.focus.to_spec())
         output_dict = {'xbry': self.xbry, 'ybry': self.ybry,
                        'beta': self.beta, 'shape': self.shape,
                        'focus': focus}

pygridgen/tests/test_focus.py

@@ -157,6 +157,7 @@ def test_focuspoint_to_dict():
     assert fp.to_dict() == {'pos': 0.25, 'axis': 'x', 'factor': 4, 'extent': 0.5}
     assert fp.to_dict() == fp2.to_dict()
 
+
 def test_focus_to_from_spec():
     fpx = pygridgen.grid._FocusPoint(0.25, 'x', 4, 0.5)
     fpy = pygridgen.grid._FocusPoint(0.33, 'y', 0.1, 0.2)
@@ -177,4 +178,3 @@ def test_focus_to_from_spec():
         numpy.testing.assert_equal(dict1.keys(), dict2.keys())
         for value1, value2 in zip(dict1.values(), dict2.values()):
             assert value1 == value2
-

pygridgen/tests/test_grid.py

@@ -590,6 +590,7 @@ def test_mask_poylgon(grid_and_knowns):
         grid.mask_polygon(island)
         nptest.assert_array_almost_equal(grid.mask_rho, known_mask_rho)
 
+
 def test_gridgen_to_from_spec():
     x = numpy.array([0.50, 2.00, 2.00, 3.50, 3.50, 2.00, 2.00, 0.50, 0.50])
     y = numpy.array([0.50, 0.50, 1.75, 1.75, 2.25, 2.25, 3.50, 3.50, 0.50])
@@ -605,4 +606,3 @@ def test_gridgen_to_from_spec():
     # testing - using almost equal due to rounding issues with floats
     numpy.testing.assert_array_almost_equal(grid1.x, grid2.x)
     numpy.testing.assert_array_almost_equal(grid1.y, grid2.y)
-