Fix build dependencies.

Author: andrew-chang-dewitt

setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="db_wrapper",
-    version="2.0.0",
+    version="2.0.1",
     author="Andrew Chang-DeWitt",
     author_email="andrew@andrew-chang-dewitt.dev",
     description="Simple wrapper on aiopg to handle postgres connections & basic Models.",
@@ -17,6 +17,7 @@
         'db_wrapper': ['py.typed']},
     install_requires=[
         'aiopg>=1.1.0,<2.0.0',
+        'pydantic>=1.8.1,<2.0.0',
     ],
     classifiers=[
         "Programming Language :: Python :: 3",