Update flake8 from 3.6.0 to 3.7.5 (#570)

Author: pyup-bot

example/tests/integration/test_polymorphism.py

@@ -145,7 +145,7 @@ def test_invalid_type_on_polymorphic_model(client):
     response = client.post(url, data=data)
     assert response.status_code == 409
     content = response.json()
-    assert len(content["errors"]) is 1
+    assert len(content["errors"]) == 1
     assert content["errors"][0]["status"] == "409"
     try:
         assert content["errors"][0]["detail"] == \
@@ -191,7 +191,7 @@ def test_invalid_type_on_polymorphic_relation(single_company, research_project_f
                           data=content)
     assert response.status_code == 409
     content = response.json()
-    assert len(content["errors"]) is 1
+    assert len(content["errors"]) == 1
     assert content["errors"][0]["status"] == "409"
     try:
         assert content["errors"][0]["detail"] == \

requirements-development.txt

@@ -4,7 +4,7 @@ django-filter==2.1.0
 django-polymorphic==2.0.3
 factory-boy==2.11.1
 Faker==1.0.2
-flake8==3.6.0
+flake8==3.7.5
 flake8-isort==2.6.0
 isort==4.3.4
 mock==2.0.0