diff --git a/src/main/python/ddadevops/infrastructure/release_mixin/repo.py b/src/main/python/ddadevops/infrastructure/release_mixin/repo.py
index 80bd461..c28c4cd 100644
--- a/src/main/python/ddadevops/infrastructure/release_mixin/repo.py
+++ b/src/main/python/ddadevops/infrastructure/release_mixin/repo.py
@@ -1,10 +1,18 @@
 from typing import Optional
-from src.main.python.ddadevops.domain import Release, Version, ReleaseType, EnvironmentKeys
-from src.main.python.ddadevops.infrastructure.release_mixin import FileHandler, GitApi, EnvironmentApi
-
-
-class VersionRepository():
-
+from src.main.python.ddadevops.domain import (
+    Release,
+    Version,
+    ReleaseType,
+    EnvironmentKeys,
+)
+from src.main.python.ddadevops.infrastructure.release_mixin import (
+    FileHandler,
+    GitApi,
+    EnvironmentApi,
+)
+
+
+class VersionRepository:
     def __init__(self, file):
         self.file = file
         self.file_handler = None
@@ -15,7 +23,7 @@ class VersionRepository():
 
     def write_file(self, version_string):
         if self.file_handler is None:
-            raise Exception('Version was not created by load_file method.')
+            raise Exception("Version was not created by load_file method.")
         else:
             self.file_handler.write(version_string)
 
@@ -24,7 +32,6 @@ class VersionRepository():
         return version_list, is_snapshot
 
     def get_version(self) -> Version:
-
         self.file_handler = self.load_file()
         version_list, is_snapshot = self.parse_file()
         version = Version(self.file, version_list)
@@ -32,8 +39,13 @@ class VersionRepository():
 
         return version
 
-class ReleaseTypeRepository():
-    def __init__(self, git_api: GitApi = GitApi(), environment_api: EnvironmentApi = EnvironmentApi()):
+
+class ReleaseTypeRepository:
+    def __init__(
+        self,
+        git_api: GitApi = GitApi(),
+        environment_api: EnvironmentApi = EnvironmentApi(),
+    ):
         self.git_api: GitApi = git_api
         self.environment_api: EnvironmentApi = environment_api
         self.get_from_git: bool = False
@@ -41,7 +53,7 @@ class ReleaseTypeRepository():
 
     @classmethod
     def from_git(cls, git_api: GitApi):
-        releaseTypeRepo = cls(git_api= git_api)
+        releaseTypeRepo = cls(git_api=git_api)
         releaseTypeRepo.get_from_git = True
         return releaseTypeRepo
 
@@ -66,10 +78,14 @@ class ReleaseTypeRepository():
             return None
 
     def __get_release_type_environment(self) -> ReleaseType | None:
-        release_name = self.environment_api.get(EnvironmentKeys.DDADEVOPS_RELEASE_TYPE.name)
+        release_name = self.environment_api.get(
+            EnvironmentKeys.DDADEVOPS_RELEASE_TYPE.name
+        )
 
         if release_name is None:
-            raise ValueError("Release Name not found. Is the Environment correctly configured?")
+            raise ValueError(
+                "Release Name not found. Is the Environment correctly configured?"
+            )
         elif ReleaseType.MAJOR.name in release_name.upper():
             return ReleaseType.MAJOR
         elif ReleaseType.MINOR.name in release_name.upper():
@@ -87,13 +103,23 @@ class ReleaseTypeRepository():
         elif self.get_from_env:
             return self.__get_release_type_environment()
         else:
-            raise ValueError('No valid api passed to ReleaseTypeRepository')
+            raise ValueError("No valid api passed to ReleaseTypeRepository")
+
 
-class ReleaseRepository():
-    def __init__(self, version_repository: VersionRepository, release_type_repository: ReleaseTypeRepository, main_branch: str):
+class ReleaseRepository:
+    def __init__(
+        self,
+        version_repository: VersionRepository,
+        release_type_repository: ReleaseTypeRepository,
+        main_branch: str,
+    ):
         self.version_repository = version_repository
         self.release_type_repository = release_type_repository
         self.main_branch = main_branch
 
     def get_release(self) -> Release:
-        return Release(self.release_type_repository.get_release_type(), self.version_repository.get_version(), self.main_branch)
+        return Release(
+            self.release_type_repository.get_release_type(),
+            self.version_repository.get_version(),
+            self.main_branch,
+        )