diff --git a/code/pyproject.toml b/code/pyproject.toml
index fa7093a..7fd26b9 100644
--- a/code/pyproject.toml
+++ b/code/pyproject.toml
@@ -1,3 +1,3 @@
 [build-system]
-requires = ["setuptools>=42"]
+requires = ["setuptools"]
 build-backend = "setuptools.build_meta"
\ No newline at end of file
diff --git a/code/setup.cfg b/code/setup.cfg
index 50b5ea5..3ee1d03 100644
--- a/code/setup.cfg
+++ b/code/setup.cfg
@@ -13,7 +13,7 @@ classifiers =
     Operating System :: OS Independent
 
 [options]
-package_dir =
+package_dir = 
     = src
 packages = find:
 python_requires = >=3.6
diff --git a/code/src/MCFF/__init__.py b/code/src/MCFF/__init__.py
new file mode 100644
index 0000000..e69de29