diff --git a/poetry.lock b/poetry.lock
index bc718755..58eef0c2 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -874,7 +874,7 @@ python-versions = ">=3.6"
 name = "libcst"
 version = "0.4.3"
 description = "A concrete syntax tree with AST-like properties for Python 3.5, 3.6, 3.7, 3.8, 3.9, and 3.10 programs."
-category = "main"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 
@@ -966,7 +966,7 @@ python-versions = "*"
 name = "monkeytype"
 version = "22.2.0"
 description = "Generating type annotations from sampled production types"
-category = "main"
+category = "dev"
 optional = false
 python-versions = ">=3.6"
 
@@ -996,7 +996,7 @@ python2 = ["typed-ast (>=1.4.0,<1.5.0)"]
 name = "mypy-extensions"
 version = "0.4.3"
 description = "Experimental type system extensions for programs checked with the mypy typechecker."
-category = "main"
+category = "dev"
 optional = false
 python-versions = "*"
 
@@ -1756,7 +1756,7 @@ python-versions = ">=3.7"
 name = "typing-inspect"
 version = "0.7.1"
 description = "Runtime inspection utilities for typing module."
-category = "main"
+category = "dev"
 optional = false
 python-versions = "*"
 
@@ -1913,7 +1913,7 @@ testing = ["pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "13e7ee9cddd2f8491459d0d7ea92195b1ca3812b6ce08d73871b4d3bc0efd224"
+content-hash = "7ac8a215dc434df70aa91359d5a1cd8458ca30eb0d104bad326442e3f592f813"
 
 [metadata.files]
 alabaster = [
diff --git a/pyproject.toml b/pyproject.toml
index 872d5099..dfcbed55 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,6 @@ mysql-connector-python = "^8.0.29"
 pytest-flask = "^1.2.0"
 pytest-flask-sqlalchemy = "^1.1.0"
 psycopg2 = "^2.9.3"
-MonkeyType = "^22.2.0"
 
 
 [tool.poetry.dev-dependencies]
@@ -67,6 +66,7 @@ sphinx-click = "^4.0.3"
 Pygments = "^2.10.0"
 pyupgrade = "^2.29.1"
 furo = ">=2021.11.12"
+MonkeyType = "^22.2.0"
 
 [tool.poetry.scripts]
 spiff-workflow-webapp = "spiff_workflow_webapp.__main__:main"
diff --git a/src/spiff_workflow_webapp/api/__init__.py b/src/spiff_workflow_webapp/api/__init__.py
new file mode 100644
index 00000000..f520b09d
--- /dev/null
+++ b/src/spiff_workflow_webapp/api/__init__.py
@@ -0,0 +1 @@
+"""__init__."""
diff --git a/tests/spiff_workflow_webapp/api/__init__.py b/tests/spiff_workflow_webapp/api/__init__.py
new file mode 100644
index 00000000..f520b09d
--- /dev/null
+++ b/tests/spiff_workflow_webapp/api/__init__.py
@@ -0,0 +1 @@
+"""__init__."""