diff --git a/testapp/migrations/0001_initial.py b/testapp/migrations/0001_initial.py
index 4df6360..dca7747 100644
--- a/testapp/migrations/0001_initial.py
+++ b/testapp/migrations/0001_initial.py
@@ -5,7 +5,6 @@
 
 
 class Migration(migrations.Migration):
-
     initial = True
 
     dependencies = [
diff --git a/testapp/migrations/0002_auto_20221115_0738.py b/testapp/migrations/0002_auto_20221115_0738.py
index f69100a..d29ce0d 100644
--- a/testapp/migrations/0002_auto_20221115_0738.py
+++ b/testapp/migrations/0002_auto_20221115_0738.py
@@ -6,7 +6,6 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ("testapp", "0001_initial"),
     ]
diff --git a/testapp/migrations/0003_auto_20221115_1018.py b/testapp/migrations/0003_auto_20221115_1018.py
index 2537b85..855589a 100644
--- a/testapp/migrations/0003_auto_20221115_1018.py
+++ b/testapp/migrations/0003_auto_20221115_1018.py
@@ -4,7 +4,6 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ("testapp", "0002_auto_20221115_0738"),
     ]
diff --git a/testapp/settings.py b/testapp/settings.py
index 3f1c7c0..3196fe5 100644
--- a/testapp/settings.py
+++ b/testapp/settings.py
@@ -7,10 +7,10 @@
 DATABASES = {
     "default": {
         "ENGINE": "django.db.backends.postgresql",
-        "HOST": os.getenv("DB_HOST", ""),
+        "HOST": os.getenv("DB_HOST", "localhost"),
         "NAME": os.getenv("DB_NAME", "zgw_consumers"),
-        "USER": os.getenv("DB_USER", "postgres"),
-        "PASSWORD": os.getenv("DB_PASSWORD", ""),
+        "USER": os.getenv("DB_USER", "zgw_consumers"),
+        "PASSWORD": os.getenv("DB_PASSWORD", "zgw_consumers"),
     },
 }
 
diff --git a/zgw_consumers/client.py b/zgw_consumers/client.py
index 0ea7f4a..4e92bc2 100644
--- a/zgw_consumers/client.py
+++ b/zgw_consumers/client.py
@@ -91,7 +91,6 @@ def request(
         request_kwargs: Optional[dict] = None,
         **kwargs,
     ) -> Union[List[Object], Object]:
-
         if self.server_certificate_path:
             kwargs.update({"verify": self.server_certificate_path})
 
diff --git a/zgw_consumers/migrations/0001_initial.py b/zgw_consumers/migrations/0001_initial.py
index 5652d1b..876df82 100644
--- a/zgw_consumers/migrations/0001_initial.py
+++ b/zgw_consumers/migrations/0001_initial.py
@@ -5,7 +5,6 @@
 
 
 class Migration(migrations.Migration):
-
     initial = True
 
     dependencies = []
diff --git a/zgw_consumers/migrations/0002_auto_20190514_0944.py b/zgw_consumers/migrations/0002_auto_20190514_0944.py
index a3c28e7..60e2f62 100644
--- a/zgw_consumers/migrations/0002_auto_20190514_0944.py
+++ b/zgw_consumers/migrations/0002_auto_20190514_0944.py
@@ -5,7 +5,6 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [("zgw_consumers", "0001_initial")]
 
     operations = [
diff --git a/zgw_consumers/migrations/0003_auto_20190514_1009.py b/zgw_consumers/migrations/0003_auto_20190514_1009.py
index 7649f63..fc07e34 100644
--- a/zgw_consumers/migrations/0003_auto_20190514_1009.py
+++ b/zgw_consumers/migrations/0003_auto_20190514_1009.py
@@ -4,7 +4,6 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [("zgw_consumers", "0002_auto_20190514_0944")]
 
     operations = [
diff --git a/zgw_consumers/migrations/0004_auto_20200113_1728.py b/zgw_consumers/migrations/0004_auto_20200113_1728.py
index e614c4f..585f4ac 100644
--- a/zgw_consumers/migrations/0004_auto_20200113_1728.py
+++ b/zgw_consumers/migrations/0004_auto_20200113_1728.py
@@ -4,7 +4,6 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ("zgw_consumers", "0003_auto_20190514_1009"),
     ]
diff --git a/zgw_consumers/migrations/0005_auto_20200326_1040.py b/zgw_consumers/migrations/0005_auto_20200326_1040.py
index 6ab4032..62871ba 100644
--- a/zgw_consumers/migrations/0005_auto_20200326_1040.py
+++ b/zgw_consumers/migrations/0005_auto_20200326_1040.py
@@ -4,7 +4,6 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ("zgw_consumers", "0004_auto_20200113_1728"),
     ]
diff --git a/zgw_consumers/migrations/0007_service_nlx.py b/zgw_consumers/migrations/0007_service_nlx.py
index 18819ae..8f1e01c 100644
--- a/zgw_consumers/migrations/0007_service_nlx.py
+++ b/zgw_consumers/migrations/0007_service_nlx.py
@@ -4,7 +4,6 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ("zgw_consumers", "0006_update_oas_auth"),
     ]
diff --git a/zgw_consumers/migrations/0008_auto_20200331_1400.py b/zgw_consumers/migrations/0008_auto_20200331_1400.py
index bce9e2b..21d324a 100644
--- a/zgw_consumers/migrations/0008_auto_20200331_1400.py
+++ b/zgw_consumers/migrations/0008_auto_20200331_1400.py
@@ -4,7 +4,6 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ("zgw_consumers", "0007_service_nlx"),
     ]
diff --git a/zgw_consumers/migrations/0009_auto_20200401_0829.py b/zgw_consumers/migrations/0009_auto_20200401_0829.py
index bd8ab47..50307e6 100644
--- a/zgw_consumers/migrations/0009_auto_20200401_0829.py
+++ b/zgw_consumers/migrations/0009_auto_20200401_0829.py
@@ -4,7 +4,6 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [("zgw_consumers", "0008_auto_20200331_1400")]
 
     operations = [
diff --git a/zgw_consumers/migrations/0010_nlxconfig.py b/zgw_consumers/migrations/0010_nlxconfig.py
index 66bdfdf..5ab91f1 100644
--- a/zgw_consumers/migrations/0010_nlxconfig.py
+++ b/zgw_consumers/migrations/0010_nlxconfig.py
@@ -4,7 +4,6 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ("zgw_consumers", "0009_auto_20200401_0829"),
     ]
diff --git a/zgw_consumers/migrations/0011_remove_service_extra.py b/zgw_consumers/migrations/0011_remove_service_extra.py
index da8c4fc..13ce80f 100644
--- a/zgw_consumers/migrations/0011_remove_service_extra.py
+++ b/zgw_consumers/migrations/0011_remove_service_extra.py
@@ -4,7 +4,6 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ("zgw_consumers", "0010_nlxconfig"),
     ]
diff --git a/zgw_consumers/migrations/0012_auto_20210104_1039.py b/zgw_consumers/migrations/0012_auto_20210104_1039.py
index eabe5a1..78b9786 100644
--- a/zgw_consumers/migrations/0012_auto_20210104_1039.py
+++ b/zgw_consumers/migrations/0012_auto_20210104_1039.py
@@ -4,7 +4,6 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ("zgw_consumers", "0011_remove_service_extra"),
     ]
diff --git a/zgw_consumers/migrations/0013_oas_field.py b/zgw_consumers/migrations/0013_oas_field.py
index 740f0c7..6908142 100644
--- a/zgw_consumers/migrations/0013_oas_field.py
+++ b/zgw_consumers/migrations/0013_oas_field.py
@@ -5,7 +5,6 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ("zgw_consumers", "0012_auto_20210104_1039"),
     ]
diff --git a/zgw_consumers/migrations/0014_auto_20211217_1557.py b/zgw_consumers/migrations/0014_auto_20211217_1557.py
index 9167419..cbe2090 100644
--- a/zgw_consumers/migrations/0014_auto_20211217_1557.py
+++ b/zgw_consumers/migrations/0014_auto_20211217_1557.py
@@ -7,7 +7,6 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ("zgw_consumers", "0013_oas_field"),
     ]
diff --git a/zgw_consumers/migrations/0015_auto_20220307_1522.py b/zgw_consumers/migrations/0015_auto_20220307_1522.py
index 29415d2..36508a0 100644
--- a/zgw_consumers/migrations/0015_auto_20220307_1522.py
+++ b/zgw_consumers/migrations/0015_auto_20220307_1522.py
@@ -8,7 +8,6 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ("zgw_consumers", "0014_auto_20211217_1557"),
     ]
diff --git a/zgw_consumers/migrations/0016_auto_20220818_1412.py b/zgw_consumers/migrations/0016_auto_20220818_1412.py
index 8d42d54..562cf4e 100644
--- a/zgw_consumers/migrations/0016_auto_20220818_1412.py
+++ b/zgw_consumers/migrations/0016_auto_20220818_1412.py
@@ -27,7 +27,6 @@ def migrate_data(apps, _):
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ("simple_certmanager", "0001_initial"),
         ("zgw_consumers", "0015_auto_20220307_1522"),