diff --git a/tests/norun/test_registry.py b/tests/norun/test_registry.py
index 92aa1f6e..98a1d36c 100644
--- a/tests/norun/test_registry.py
+++ b/tests/norun/test_registry.py
@@ -4,12 +4,12 @@ import secrets
 import shutil
 import socket
 import subprocess
-from tempfile import TemporaryDirectory
-from base64 import b64encode
 import time
-import bcrypt
+from base64 import b64encode
 from pathlib import Path
+from tempfile import TemporaryDirectory
 
+import bcrypt
 import pytest
 import requests
 
@@ -87,7 +87,9 @@ def registry(host_ip):
     port = get_free_port()
     username = "user"
     password = secrets.token_hex(16)
-    bcrypted_pw = bcrypt.hashpw(password.encode("utf-8"), bcrypt.gensalt(rounds=12)).decode("utf-8")
+    bcrypted_pw = bcrypt.hashpw(
+        password.encode("utf-8"), bcrypt.gensalt(rounds=12)
+    ).decode("utf-8")
 
     # We put our password here, and mount it into the container.
     # put it in current dir than in /tmp because on macos, current dir is likely to
@@ -100,12 +102,22 @@ def registry(host_ip):
     registry_image = "registry:3.0.0-rc.3"
     subprocess.check_call(["docker", "pull", registry_image])
 
-    cmd = ["docker", "run", "--rm",
-        "-e", "REGISTRY_AUTH=htpasswd",
-        "-e", "REGISTRY_AUTH_HTPASSWD_REALM=basic",
-        "-e", "REGISTRY_AUTH_HTPASSWD_PATH=/opt/htpasswd/htpasswd.conf",
-        "--mount", f"type=bind,src={htpasswd_dir},dst=/opt/htpasswd",
-        "-p", f"{port}:5000", registry_image]
+    cmd = [
+        "docker",
+        "run",
+        "--rm",
+        "-e",
+        "REGISTRY_AUTH=htpasswd",
+        "-e",
+        "REGISTRY_AUTH_HTPASSWD_REALM=basic",
+        "-e",
+        "REGISTRY_AUTH_HTPASSWD_PATH=/opt/htpasswd/htpasswd.conf",
+        "--mount",
+        f"type=bind,src={htpasswd_dir},dst=/opt/htpasswd",
+        "-p",
+        f"{port}:5000",
+        registry_image,
+    ]
     proc = subprocess.Popen(cmd)
     health_url = f"http://{host_ip}:{port}/v2"
     # Wait for the registry to actually come up
@@ -144,19 +156,24 @@ def test_registry_explicit_creds(registry, dind):
         os.environ["DOCKER_HOST"] = docker_host
         os.environ["DOCKER_CERT_PATH"] = str(cert_dir / "client")
         os.environ["DOCKER_TLS_VERIFY"] = "1"
-        os.environ["CONTAINER_ENGINE_REGISTRY_CREDENTIALS"] = json.dumps({
-            "registry": f"http://{registry_host}",
-            "username": username,
-            "password": password
-        })
+        os.environ["CONTAINER_ENGINE_REGISTRY_CREDENTIALS"] = json.dumps(
+            {
+                "registry": f"http://{registry_host}",
+                "username": username,
+                "password": password,
+            }
+        )
         r2d.start()
 
-
-        proc = subprocess.run(["docker", "manifest", "inspect", "--insecure", image_name])
+        proc = subprocess.run(
+            ["docker", "manifest", "inspect", "--insecure", image_name]
+        )
         assert proc.returncode == 0
 
         # Validate that we didn't leak our registry creds into existing docker config
-        docker_config_path = Path(os.environ.get("DOCKER_CONFIG", "~/.docker/config.json")).expanduser()
+        docker_config_path = Path(
+            os.environ.get("DOCKER_CONFIG", "~/.docker/config.json")
+        ).expanduser()
         if docker_config_path.exists():
             # Just check that our randomly generated password is not in this file
             # Can this cause a conflict? Sure, if there's a different randomly generated password in here
@@ -184,15 +201,26 @@ def test_registry_no_explicit_creds(registry, dind):
         os.environ["DOCKER_CERT_PATH"] = str(cert_dir / "client")
         os.environ["DOCKER_TLS_VERIFY"] = "1"
         with TemporaryDirectory() as d:
-            (Path(d) / "config.json").write_text(json.dumps(
-            ({"auths":{f"http://{registry_host}":{"auth":b64encode(f"{username}:{password}".encode()).decode()}}})
-            ))
+            (Path(d) / "config.json").write_text(
+                json.dumps(
+                    {
+                        "auths": {
+                            f"http://{registry_host}": {
+                                "auth": b64encode(
+                                    f"{username}:{password}".encode()
+                                ).decode()
+                            }
+                        }
+                    }
+                )
+            )
             os.environ["DOCKER_CONFIG"] = d
             r2d.start()
 
-
-            proc = subprocess.run(["docker", "manifest", "inspect", "--insecure", image_name])
+            proc = subprocess.run(
+                ["docker", "manifest", "inspect", "--insecure", image_name]
+            )
             assert proc.returncode == 0
     finally:
         os.environ.clear()
-        os.environ.update(old_environ)
\ No newline at end of file
+        os.environ.update(old_environ)
diff --git a/tests/unit/test_argumentvalidation.py b/tests/unit/test_argumentvalidation.py
index 466a7d7d..1439a653 100644
--- a/tests/unit/test_argumentvalidation.py
+++ b/tests/unit/test_argumentvalidation.py
@@ -212,7 +212,6 @@ def test_invalid_container_port_protocol_mapping_fail(temp_cwd):
     assert not validate_arguments(builddir, args_list, "Port specification")
 
 
-
 def test_docker_no_build_success(temp_cwd):
     """
     Test to check if r2d succeeds with --no-build argument with not being able to connect to docker daemon