Update singer_sdk/mapper.py

meltano · Mar 24, 2023 · 5988c83 · 5988c83
1 parent 223c202
commit 5988c83
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/singer_sdk/mapper.py b/singer_sdk/mapper.py
@@ -667,7 +667,7 @@ def register_raw_stream_schema(
 
         for stream_map_key, stream_def in self.stream_maps_dict.items():
             stream_def = (
-                dict(stream_def) if isinstance(stream_def, dict) else stream_def
+                stream_def.copy() if isinstance(stream_def, dict) else stream_def
             )
             stream_alias: str = stream_map_key
             source_stream: str = stream_map_key