Fixes double code

Signed-off-by: Elena Kolevska <[email protected]>

Author: elena-kolevska

dapr/clients/grpc/_request.py

@@ -331,7 +331,8 @@ def operation_type(self) -> TransactionOperationType:
     @property
     def metadata(self) -> Dict[str, str]:
         """Gets metadata."""
-        return self._metadata
+        return {} if self._metadata is None else self._metadata
+
 
 class EncryptRequestIterator(DaprRequest):
     """An iterator for cryptography encrypt API requests.

dapr/clients/grpc/client.py

@@ -939,7 +939,7 @@ def execute_state_transaction(
                     key=o.key,
                     value=to_bytes(o.data) if o.data is not None else to_bytes(''),
                     etag=common_v1.Etag(value=o.etag) if o.etag is not None else None,
-                    metadata=o.metadata if o.metadata is not None else dict(),
+                    metadata=o.metadata,
                 ),
             )
             for o in operations

examples/state_store/state_store.py

@@ -90,14 +90,20 @@
 
     # Outbox pattern
     # pass in the ("outbox.projection", "true") metadata to the transaction to enable the outbox pattern.
-    d.execute_state_transaction(store_name=storeName, operations=[
-        TransactionalStateOperation(key="key1", data="val1",
-                                    metadata={"outbox.projection": "false"}),
-        TransactionalStateOperation(key="key1", data="val2",
-                                    metadata={"outbox.projection": "true"}), ], )
-    print("Transaction with outbox pattern executed successfully!")
-
-    val = d.get_state(store_name=storeName, key="key1").data
+    d.execute_state_transaction(
+        store_name=storeName,
+        operations=[
+            TransactionalStateOperation(
+                key='key1', data='val1', metadata={'outbox.projection': 'false'}
+            ),
+            TransactionalStateOperation(
+                key='key1', data='val2', metadata={'outbox.projection': 'true'}
+            ),
+        ],
+    )
+    print('Transaction with outbox pattern executed successfully!')
+
+    val = d.get_state(store_name=storeName, key='key1').data
     print(f'Got value after outbox pattern: {val}')
 
     # Transaction delete