diff --git a/src/mlfmu/api.py b/src/mlfmu/api.py
index 2939bfd..d85c798 100644
--- a/src/mlfmu/api.py
+++ b/src/mlfmu/api.py
@@ -26,6 +26,7 @@ def from_string(command_string: str):
             return None
         return matches[0]
 
+
 # run for mlfmu
 def run(
     command: MlFmuCommand,
@@ -138,7 +139,6 @@ def __del__(self):
         logger.debug("MlFmuBuilder: destructor called, removing temporary build directory.")
         # The destructor should automatically delete the temporary directory (goes out of scope).
 
-
     def build(self):
         """
         Build an FMU from ml_model_file and interface_file and saves it to fmu_output_folder.
@@ -267,7 +267,6 @@ def compile(self):
             print(ex)
         logger.debug("MLFmuBuilder: Done with compile")
 
-
     def default_interface_file(self):
         """Return the path to a interface json file inside self.root_directory if it can be inferred."""
         return MlFmuBuilder._find_default_file(self.root_directory, "json", "interface")
@@ -413,7 +412,7 @@ def __init__(
             ml_model_file=ml_model_file,
             source_folder=source_folder,
             fmu_output_folder=fmu_output_folder,
-            build_folder=build_folder
+            build_folder=build_folder,
         )
 
     def run(self):
diff --git a/src/mlfmu/cli/mlfmu.py b/src/mlfmu/cli/mlfmu.py
index 01f27e5..f3f1af1 100644
--- a/src/mlfmu/cli/mlfmu.py
+++ b/src/mlfmu/cli/mlfmu.py
@@ -11,6 +11,7 @@
 
 logger = logging.getLogger(__name__)
 
+
 def _argparser() -> argparse.ArgumentParser:
     parser = argparse.ArgumentParser(
         prog="mlfmu",
@@ -73,7 +74,9 @@ def _argparser() -> argparse.ArgumentParser:
     )
 
     # Add options for build command
-    _ = build_parser.add_argument("-i", "--interface-file", type=str, help="JSON file describing the FMU following schema")
+    _ = build_parser.add_argument(
+        "-i", "--interface-file", type=str, help="JSON file describing the FMU following schema"
+    )
     _ = build_parser.add_argument("-m", "--model-file", type=str, help="ONNX file containing the ML Model")
     _ = build_parser.add_argument("-f", "--fmu-path", type=str, help="Path to where the built FMU should be saved")
 
@@ -90,7 +93,9 @@ def _argparser() -> argparse.ArgumentParser:
     _ = code_generation_parser.add_argument(
         "--interface-file", type=str, help="json file describing the FMU following schema (e.g. interface.json)."
     )
-    _ = code_generation_parser.add_argument("--model-file", type=str, help="onnx file containing the ML Model (e.g. example.onnx).")
+    _ = code_generation_parser.add_argument(
+        "--model-file", type=str, help="onnx file containing the ML Model (e.g. example.onnx)."
+    )
     _ = code_generation_parser.add_argument(
         "--fmu-source-path",
         help="Path to where the generated FMU source code should be saved. Given path/to/folder the files can be found in path/to/folder/[FmuName]",
diff --git a/src/mlfmu/utils/builder.py b/src/mlfmu/utils/builder.py
index 284fcb3..daf7458 100644
--- a/src/mlfmu/utils/builder.py
+++ b/src/mlfmu/utils/builder.py
@@ -20,6 +20,7 @@
 
 logger = logging.getLogger(__name__)
 
+
 # Replacing all the template strings with their corresponding values and saving to new file
 def format_template_file(template_path: Path, save_path: Path, data: dict[str, str]):
     # TODO: Need to check that these calls are safe from a cybersecurity point of view