diff --git a/src/main/python/ddadevops/infrastructure/release_mixin/infrastructure_api.py b/src/main/python/ddadevops/infrastructure/release_mixin/infrastructure_api.py
index 33bb455..f65140e 100644
--- a/src/main/python/ddadevops/infrastructure/release_mixin/infrastructure_api.py
+++ b/src/main/python/ddadevops/infrastructure/release_mixin/infrastructure_api.py
@@ -46,7 +46,7 @@ class JsonFileHandler(FileHandler):
     def parse(self) -> tuple[list[int], bool]:
         if self.config_file_path is None:
             raise ValueError("No file name given.")
-        with open(self.config_file_path, 'r') as json_file:
+        with open(self.config_file_path, 'r', encoding='utf-8') as json_file:
             json_version = json.load(json_file)['version']
             is_snapshot = False
             if '-SNAPSHOT' in json_version:
@@ -56,7 +56,7 @@ class JsonFileHandler(FileHandler):
             return version, is_snapshot
 
     def write(self, version_string):
-        with open(self.config_file_path, 'r+') as json_file:
+        with open(self.config_file_path, 'r+', encoding='utf-8') as json_file:
             json_data = json.load(json_file)
             json_data['version'] = version_string
             json_file.seek(0)
@@ -69,7 +69,7 @@ class GradleFileHandler(FileHandler):
     def parse(self) -> tuple[list[int], bool]:
         if self.config_file_path is None:
             raise ValueError("No file name given.")
-        with open(self.config_file_path, 'r') as gradle_file:
+        with open(self.config_file_path, 'r', encoding='utf-8') as gradle_file:
             contents = gradle_file.read()
             version_line = re.search("\nversion = .*", contents)
             exception = Exception("Version not found in gradle file")
@@ -93,7 +93,7 @@ class GradleFileHandler(FileHandler):
             return version, is_snapshot
 
     def write(self, version_string):
-        with open(self.config_file_path, 'r+') as gradle_file:
+        with open(self.config_file_path, 'r+', encoding='utf-8') as gradle_file:
             contents = gradle_file.read()
             version_substitute = re.sub(
                 '\nversion = "[0-9]*\\.[0-9]*\\.[0-9]*(-SNAPSHOT)?"', f'\nversion = "{version_string}"', contents)
@@ -107,7 +107,7 @@ class PythonFileHandler(FileHandler):
     def parse(self) -> tuple[list[int], bool]:
         if self.config_file_path is None:
             raise ValueError("No file name given.")
-        with open(self.config_file_path, 'r') as python_file:
+        with open(self.config_file_path, 'r', encoding='utf-8') as python_file:
             contents = python_file.read()
             version_line = re.search("\nversion = .*\n", contents)
             exception = Exception("Version not found in gradle file")
@@ -131,7 +131,7 @@ class PythonFileHandler(FileHandler):
             return version, is_snapshot
 
     def write(self, version_string):
-        with open(self.config_file_path, 'r+') as python_file:
+        with open(self.config_file_path, 'r+', encoding='utf-8') as python_file:
             contents = python_file.read()
             version_substitute = re.sub(
                 '\nversion = "[0-9]*\\.[0-9]*\\.[0-9]*(-SNAPSHOT)?"', f'\nversion = "{version_string}"', contents)
@@ -145,7 +145,7 @@ class ClojureFileHandler(FileHandler):
     def parse(self) -> tuple[list[int], bool]:
         if self.config_file_path is None:
             raise ValueError("No file name given.")
-        with open(self.config_file_path, 'r') as clj_file:
+        with open(self.config_file_path, 'r', encoding='utf-8') as clj_file:
             contents = clj_file.read()
             version_line = re.search("^\\(defproject .*\n", contents)
             exception = Exception("Version not found in clj file")
@@ -169,7 +169,7 @@ class ClojureFileHandler(FileHandler):
             return version, is_snapshot
 
     def write(self, version_string):
-        with open(self.config_file_path, 'r+') as clj_file:
+        with open(self.config_file_path, 'r+', encoding='utf-8') as clj_file:
             clj_first = clj_file.readline()
             clj_rest = clj_file.read()
             version_substitute = re.sub(
@@ -185,6 +185,7 @@ class GitApi():
     def __init__(self):
         self.execution_api = ExecutionApi()
 
+    # pylint: disable=invalid-name
     def get_latest_n_commits(self, n: int):
         return self.execution_api.execute(
             f'git log --oneline --format="%s %b" -n {n}')
@@ -203,11 +204,10 @@ class GitApi():
         return self.execution_api.execute('git describe --tags --abbrev=0')
 
     def get_current_branch(self):
-        self.execution_api.execute('git branch --show-current')
-        return ''.join(self.execution_api.stdout).rstrip()
+        return ''.join(self.execution_api.execute('git branch --show-current')).rstrip()
 
     def init(self, default_branch: str = "main"):
-        self.execution_api.execute(f'git init')
+        self.execution_api.execute('git init')
         self.execution_api.execute(f'git checkout -b {default_branch}')
 
     def set_user_config(self, email: str, name: str):