[2.0.x] Removed blank lines per isort 4.3.0.

django/contrib/messages/__init__.py

@@ -1,5 +1,4 @@
 from django.contrib.messages.api import *  # NOQA
 from django.contrib.messages.constants import *  # NOQA
 
-
 default_app_config = 'django.contrib.messages.apps.MessagesConfig'

django/core/management/commands/runserver.py

@@ -12,7 +12,6 @@ from django.core.servers.basehttp import (
 )
 from django.utils import autoreload
 
-
 naiveip_re = re.compile(r"""^(?:
 (?P<addr>
     (?P<ipv4>\d{1,3}(?:\.\d{1,3}){3}) |         # IPv4 address

django/db/models/signals.py

@@ -3,7 +3,6 @@ from functools import partial
 from django.db.models.utils import make_model_tuple
 from django.dispatch import Signal
 
-
 class_prepared = Signal(providing_args=["class"])
 
 

tests/admin_views/tests.py

@@ -58,7 +58,6 @@ from .models import (
     UnorderedObject, Villain, Vodcast, Whatsit, Widget, Worker, WorkHour,
 )
 
-
 ERROR_MESSAGE = "Please enter the correct username and password \
 for a staff account. Note that both fields may be case-sensitive."
 

tests/db_functions/tests.py

@@ -14,7 +14,6 @@ from django.utils import timezone
 
 from .models import Article, Author, DecimalModel, Fan
 
-
 lorem_ipsum = """
     Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod
     tempor incididunt ut labore et dolore magna aliqua."""

tests/messages_tests/urls.py

@@ -9,7 +9,6 @@ from django.urls import reverse
 from django.views.decorators.cache import never_cache
 from django.views.generic.edit import FormView
 
-
 TEMPLATE = """{% if messages %}
 <ul class="messages">
     {% for message in messages %}

tests/template_tests/syntax_tests/test_multiline.py

@@ -2,7 +2,6 @@ from django.test import SimpleTestCase
 
 from ..utils import setup
 
-
 multiline_string = """
 Hello,
 boys.