Fixing tests

Author: monoxgas

docs/api/message.mdx

@@ -1262,7 +1262,11 @@ def from_model(
         metadata = {"error": models.content}
 
     return cls(
-        role=role, content=content, slices=slices_, tool_call_id=tool_call_id, metadata=metadata
+        role=role,
+        content=content,
+        slices=slices_,
+        tool_call_id=tool_call_id,
+        metadata=metadata or {},
     )
 ```
 

rigging/message.py

@@ -1310,7 +1310,11 @@ def from_model(
             metadata = {"error": models.content}
 
         return cls(
-            role=role, content=content, slices=slices_, tool_call_id=tool_call_id, metadata=metadata
+            role=role,
+            content=content,
+            slices=slices_,
+            tool_call_id=tool_call_id,
+            metadata=metadata or {},
         )
 
     @classmethod