fix(order_utils.py): validate order w/json schema (#1260)

python-packages/order_utils/setup.py

@@ -159,7 +159,7 @@ setup(
     install_requires=[
         "eth-abi",
         "eth_utils",
-        "ethereum",
+        "jsonschema",
         "mypy_extensions",
         "web3",
     ],
@@ -184,6 +184,7 @@ setup(
     package_data={
         "zero_ex.order_utils": ["py.typed"],
         "zero_ex.contract_artifacts": ["artifacts/*"],
+        "zero_ex.json_schemas": ["schemas/*"],
     },
     package_dir={"": "src"},
     license="Apache 2.0",