Fixing "ValueError: Object 'EXCLUDE'" in

NerdWalletOSS#110. Also bumping
Python to >=3.9

dynamorm/types/_marshmallow.py

@@ -1,7 +1,7 @@
 import six
 from pkg_resources import parse_version
 
-from marshmallow import Schema as MarshmallowSchema
+from marshmallow import Schema as MarshmallowSchema, EXCLUDE
 from marshmallow.exceptions import MarshmallowError
 from marshmallow import fields, __version__ as marshmallow_version
 
@@ -15,7 +15,7 @@ def _validate(cls, obj, partial=False, native=False):
         """Validate using a Marshmallow v3+ schema"""
         try:
             if native:
-                data = cls().load(obj, partial=partial, unknown="EXCLUDE")
+                data = cls().load(obj, partial=partial, unknown=EXCLUDE)
             else:
                 data = cls(partial=partial, unknown="EXCLUDE").dump(obj)
         except MarshmallowError as e:

setup.py

@@ -5,14 +5,14 @@
 
 setup(
     name="dynamorm",
-    version="0.11.0",
+    version="0.12.0",
     description="DynamORM is a Python object & relation mapping library for Amazon's DynamoDB service.",
     long_description=long_description,
     author="Evan Borgstrom",
     author_email="evan@borgstrom.ca",
     url="https://github.com/NerdWalletOSS/DynamORM",
     license="Apache License Version 2.0",
-    python_requires=">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4",
+    python_requires=">=2.7, >=3.9, <4",
     install_requires=["blinker>=1.4,<2.0", "boto3>=1.3,<2.0", "six"],
     extras_require={
         "marshmallow": ["marshmallow>=2.15.1,<4"],
@@ -22,10 +22,11 @@
     classifiers=[
         "Development Status :: 4 - Beta",
         "Programming Language :: Python :: 2.7",
-        "Programming Language :: Python :: 3.5",
-        "Programming Language :: Python :: 3.6",
-        "Programming Language :: Python :: 3.7",
-        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
         "Intended Audience :: Developers",
         "License :: OSI Approved :: Apache Software License",
         "Natural Language :: English",