type fixups

schema_salad/jsonld_context.py

@@ -177,15 +177,16 @@ def salad_to_jsonld_context(j, schema_ctx):
     return (context, g)
 
 def fix_jsonld_ids(obj, ids):
+    # type: (Union[Dict[unicode, Any], List[Dict[unicode, Any]]], List[unicode]) -> None
     if isinstance(obj, dict):
         for i in ids:
             if i in obj:
                 obj["@id"] = obj[i]
         for v in obj.values():
             fix_jsonld_ids(v, ids)
     if isinstance(obj, list):
-        for i in obj:
-            fix_jsonld_ids(i, ids)
+        for entry in obj:
+            fix_jsonld_ids(entry, ids)
 
 def makerdf(workflow, wf, ctx):
     # type: (Union[str, unicode], Union[List[Dict[unicode, Any]], Dict[unicode, Any]], Loader.ContextType) -> Graph

schema_salad/main.py

@@ -23,7 +23,7 @@
 
 
 def printrdf(workflow, wf, ctx, sr):
-    # type: (str, Union[List, Dict[Any, Any], str, unicode], Dict[unicode, Any], str) -> None
+    # type: (str, Union[List[Dict[unicode, Any]], Dict[unicode, Any]], Dict[unicode, Any], str) -> None
     g = jsonld_context.makerdf(workflow, wf, ctx)
     print(g.serialize(format=sr))
 
@@ -209,8 +209,12 @@ def main(argsl=None):  # type: (List[str]) -> int
 
     # Optionally convert the document to RDF
     if args.print_rdf:
-        printrdf(args.document, document, schema_ctx, args.rdf_serializer)
-        return 0
+        if isinstance(document, (dict, list)):
+            printrdf(args.document, document, schema_ctx, args.rdf_serializer)
+            return 0
+        else:
+            print("Document must be a dictionary or list.")
+            return 1
 
     if args.print_metadata:
         print(json.dumps(doc_metadata, indent=4))