Several small whitespace fixes for styleguide/flake8 violations

django/contrib/gis/tests/distapp/models.py

@@ -49,4 +49,3 @@ class Interstate(NamedModel):
 class SouthTexasInterstate(NamedModel):
     "Projected model for South Texas Interstates."
     path = models.LineStringField(srid=32140)
-

django/contrib/gis/tests/geoapp/models.py

@@ -19,6 +19,7 @@ class NamedModel(models.Model):
     def __str__(self):
         return self.name
 
+
 class Country(NamedModel):
     mpoly = models.MultiPolygonField()  # SRID, by default, is 4326
 
@@ -62,7 +63,6 @@ if not spatialite:
     class Feature(NamedModel):
         geom = models.GeometryField()
 
-
     class MinusOneSRID(models.Model):
         geom = models.PointField(srid=-1)  # Minus one SRID.