diff --git a/tests/models/__init__.py b/tests/models/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/tracer/__init__.py b/tests/tracer/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/utils/__init__.py b/tests/utils/__init__.py
new file mode 100644
index 0000000..e69de29