Revert "type-hint"

This reverts commit 9025e76

This reverts commit 5ca6fba

Author: imabhichow

Examples/runtimes/python/DynamoDBEncryption/src/keyring/raw_ecdh_keyring_example.py

@@ -30,7 +30,6 @@
     RawPrivateKeyToStaticPublicKeyInput,
 )
 from aws_cryptographic_material_providers.mpl.references import IKeyring
-from aws_cryptography_primitives.smithygenerated.aws_cryptography_primitives.models import ECDHCurveSpec
 from aws_dbesdk_dynamodb.encrypted.client import EncryptedClient
 from aws_dbesdk_dynamodb.structures.dynamodb import (
     DynamoDbTableEncryptionConfig,
@@ -47,7 +46,7 @@
 EXAMPLE_ECC_PUBLIC_KEY_FILENAME_RECIPIENT = "RawEcdhKeyringExamplePublicKeyRecipient.pem"
 
 
-def raw_ecdh_keyring_get_item_put_item(ddb_table_name: str, curve_spec: ECDHCurveSpec):
+def raw_ecdh_keyring_get_item_put_item(ddb_table_name: str, curve_spec: str):
     """
     Demonstrate using a raw ECDH keyring with static keys.
 
@@ -107,7 +106,7 @@ def raw_ecdh_keyring_get_item_put_item(ddb_table_name: str, curve_spec: ECDHCurv
     mat_prov = AwsCryptographicMaterialProviders(config=MaterialProvidersConfig())
 
     keyring_input = CreateRawEcdhKeyringInput(
-        curve_spec=str(curve_spec),
+        curve_spec=curve_spec,
         key_agreement_scheme=RawEcdhStaticConfigurationsRawPrivateKeyToStaticPublicKey(
             RawPrivateKeyToStaticPublicKeyInput(
                 # Must be a UTF8 PEM-encoded private key
@@ -123,7 +122,7 @@ def raw_ecdh_keyring_get_item_put_item(ddb_table_name: str, curve_spec: ECDHCurv
     put_get_example_with_keyring(raw_ecdh_keyring, ddb_table_name)
 
 
-def ephemeral_raw_ecdh_keyring_put_item(ddb_table_name: str, curve_spec: ECDHCurveSpec):
+def ephemeral_raw_ecdh_keyring_put_item(ddb_table_name: str, curve_spec: str):
     """
     Demonstrate using a raw ECDH keyring with ephemeral keys.
 
@@ -160,8 +159,9 @@ def ephemeral_raw_ecdh_keyring_put_item(ddb_table_name: str, curve_spec: ECDHCur
     # encrypt data and CANNOT decrypt messages.
     # The DynamoDb encryption client uses this to encrypt items.
     mat_prov = AwsCryptographicMaterialProviders(config=MaterialProvidersConfig())
+
     keyring_input = CreateRawEcdhKeyringInput(
-        curve_spec=str(curve_spec),
+        curve_spec=curve_spec,
         key_agreement_scheme=RawEcdhStaticConfigurationsEphemeralPrivateKeyToStaticPublicKey(
             EphemeralPrivateKeyToStaticPublicKeyInput(recipient_public_key=public_key_bytes)
         ),
@@ -175,7 +175,7 @@ def ephemeral_raw_ecdh_keyring_put_item(ddb_table_name: str, curve_spec: ECDHCur
     put_example_with_keyring(raw_ecdh_keyring, ddb_table_name)
 
 
-def discovery_raw_ecdh_keyring_get_item(ddb_table_name: str, curve_spec: ECDHCurveSpec):
+def discovery_raw_ecdh_keyring_get_item(ddb_table_name: str, curve_spec: str):
     """
     Demonstrate using a raw ECDH keyring with discovery.
 
@@ -210,7 +210,7 @@ def discovery_raw_ecdh_keyring_get_item(ddb_table_name: str, curve_spec: ECDHCur
     mat_prov = AwsCryptographicMaterialProviders(config=MaterialProvidersConfig())
 
     keyring_input = CreateRawEcdhKeyringInput(
-        curve_spec=str(curve_spec),
+        curve_spec=curve_spec,
         key_agreement_scheme=RawEcdhStaticConfigurationsPublicKeyDiscovery(
             PublicKeyDiscoveryInput(recipient_static_private_key=private_key_utf8_encoded)
         ),