Suppress no-member for LazyFunction in factories

the pattern I've seen is attr.pk where attr is a field from the
model but inside the factory is calculated as a LazyFunction,
usually pointing to a first/last of possible entries in the DB.

Author: atodorov

pylint_django/augmentations/__init__.py

@@ -432,7 +432,9 @@ def is_model_factory(node):
     except:  # noqa: E722, pylint: disable=bare-except
         return False
 
-    parents = ('factory.declarations.SubFactory', 'factory.django.DjangoModelFactory')
+    parents = ('factory.declarations.LazyFunction',
+               'factory.declarations.SubFactory',
+               'factory.django.DjangoModelFactory')
 
     for parent_class in parent_classes:
         try:

pylint_django/tests/input/external_factory_boy_noerror.py

@@ -31,6 +31,7 @@ class Meta:
 
     title = factory.Sequence(lambda n: 'Book %d' % n)
     author = factory.SubFactory(AuthorFactory)
+    reviewer = factory.LazyFunction(Author.objects.first())
 
 
 class BookTestCase(test.LiveServerTestCase):
@@ -46,3 +47,6 @@ def test_author_is_not_none(self):
 
         self.assertIsNotNone(self.book.title)
         self.assertIsNotNone(self.book.author.name)
+
+    def test_reviewer_is_not_none(self):
+        self.assertGreater(self.book.reviewer.pk, 0)