chore: Add some mypy ignores

Author: mgberg

rdflib/plugins/sparql/algebra.py

@@ -335,7 +335,9 @@ def translateGroupGraphPattern(graphPattern: CompValue) -> CompValue:
     """
 
     if graphPattern.name == "SubSelect":
-        return ToMultiSet(translate(graphPattern)[0])
+        # The first output from translate cannot be None for a subselect query;
+        # it can only be None for certain DESCRIBE queries.
+        return ToMultiSet(translate(graphPattern)[0])  # type: ignore[arg-type]
 
     if not graphPattern.part:
         graphPattern.part = []  # empty { }

rdflib/plugins/sparql/evaluate.py

@@ -588,7 +588,7 @@ def evalConstructQuery(ctx: QueryContext, query) -> Dict[str, Union[str, Graph]]
 def evalDescribeQuery(ctx: QueryContext, query) -> Dict[str, Union[str, Graph]]:
     # Create a result graph and bind namespaces from the graph being queried
     graph = Graph()
-    for pfx, ns in ctx.graph.namespaces():
+    for pfx, ns in ctx.graph.namespaces():  # type: ignore[union-attr]
         graph.bind(pfx, ns)
 
     to_describe = set()
@@ -609,7 +609,7 @@ def evalDescribeQuery(ctx: QueryContext, query) -> Dict[str, Union[str, Graph]]:
 
     # Get a CBD for all resources identified to describe
     for resource in to_describe:
-        graph += ctx.graph.cbd(resource)
+        graph += ctx.graph.cbd(resource)  # type: ignore[union-attr]
 
     res: Dict[str, Union[str, Graph]] = {}
     res["type_"] = "DESCRIBE"