Fixed linter findings, formatted code

Author: max-pfeiffer

INDEX.rst

@@ -36,6 +36,7 @@ testcontainers-python facilitates the use of Docker containers for functional an
     modules/redis/README
     modules/selenium/README
     modules/k3s/README
+    modules/registry/README
 
 Getting Started
 ---------------

modules/registry/testcontainers/registry/__init__.py

@@ -1,15 +1,20 @@
 import time
 from io import BytesIO
 from tarfile import TarFile, TarInfo
-from typing import Optional
+from typing import TYPE_CHECKING, Optional
 
 import bcrypt
-from requests import Response, get
+from requests import get
 from requests.auth import HTTPBasicAuth
 from requests.exceptions import ConnectionError, ReadTimeout
+
 from testcontainers.core.container import DockerContainer
 from testcontainers.core.waiting_utils import wait_container_is_ready
 
+if TYPE_CHECKING:
+    from requests import Response
+
+
 class DockerRegistryContainer(DockerContainer):
     # https://docs.docker.com/registry/
     credentials_path: str = "/htpasswd/credentials.txt"
@@ -18,8 +23,8 @@ def __init__(
         self,
         image: str = "registry:2",
         port: int = 5000,
-        username: str = None,
-        password: str = None,
+        username: Optional[str] = None,
+        password: Optional[str] = None,
         **kwargs,
     ) -> None:
         super().__init__(image=image, **kwargs)
@@ -34,11 +39,9 @@ def _copy_credentials(self) -> None:
             self.password.encode("utf-8"),
             bcrypt.gensalt(rounds=12, prefix=b"2a"),
         ).decode("utf-8")
-        content = f"{self.username}:{hashed_password}".encode("utf-8")
+        content: bytes = f"{self.username}:{hashed_password}".encode("utf-8")  # noqa: UP012
 
-        with BytesIO() as tar_archive_object, TarFile(
-            fileobj=tar_archive_object, mode="w"
-        ) as tmp_tarfile:
+        with BytesIO() as tar_archive_object, TarFile(fileobj=tar_archive_object, mode="w") as tmp_tarfile:
             tarinfo: TarInfo = TarInfo(name=self.credentials_path)
             tarinfo.size = len(content)
             tarinfo.mtime = time.time()
@@ -65,7 +68,7 @@ def start(self):
         else:
             super().start()
 
-        self._readiness_probe()            
+        self._readiness_probe()
         return self
 
     def get_registry(self) -> str:

modules/registry/tests/test_registry.py

@@ -4,7 +4,8 @@
 
 
 REGISTRY_USERNAME: str = "foo"
-REGISTRY_PASSWORD: str ="bar"
+REGISTRY_PASSWORD: str = "bar"
+
 
 def test_registry():
     with DockerRegistryContainer().with_bind_ports(5000, 5000) as registry_container:
@@ -16,9 +17,9 @@ def test_registry():
 
 
 def test_registry_with_authentication():
-    with DockerRegistryContainer(
-        username=REGISTRY_USERNAME, password=REGISTRY_PASSWORD
-    ).with_bind_ports(5000, 5000) as registry_container:
+    with DockerRegistryContainer(username=REGISTRY_USERNAME, password=REGISTRY_PASSWORD).with_bind_ports(
+        5000, 5000
+    ) as registry_container:
         url: str = f"http://{registry_container.get_registry()}/v2/_catalog"
 
         response: Response = get(url, auth=HTTPBasicAuth(REGISTRY_USERNAME, REGISTRY_PASSWORD))