Fix most of the mypy errors in astroid/nodes/as_string.py

astroid/arguments.py

@@ -54,7 +54,7 @@ def __init__(
         }
 
     @classmethod
-    def from_call(cls, call_node, context: InferenceContext | None = None):
+    def from_call(cls, call_node: nodes.Call, context: InferenceContext | None = None):
         """Get a CallSite object from the given Call node.
 
         context will be used to force a single inference path.
@@ -65,7 +65,7 @@ def from_call(cls, call_node, context: InferenceContext | None = None):
         callcontext = CallContext(call_node.args, call_node.keywords)
         return cls(callcontext, context=context)
 
-    def has_invalid_arguments(self):
+    def has_invalid_arguments(self) -> bool:
         """Check if in the current CallSite were passed *invalid* arguments.
 
         This can mean multiple things. For instance, if an unpacking
@@ -89,7 +89,7 @@ def _unpack_keywords(
         self,
         keywords: list[tuple[str | None, nodes.NodeNG]],
         context: InferenceContext | None = None,
-    ):
+    ) -> dict[str | None, InferenceResult]:
         values: dict[str | None, InferenceResult] = {}
         context = context or InferenceContext()
         context.extra_context = self.argument_context_map

astroid/brain/brain_builtin_inference.py

@@ -372,7 +372,7 @@ def _infer_builtin_container(
 
 
 def _get_elts(arg, context):
-    def is_iterable(n):
+    def is_iterable(n) -> bool:
         return isinstance(n, (nodes.List, nodes.Tuple, nodes.Set))
 
     try:

astroid/builder.py

@@ -233,7 +233,7 @@ def sort_locals(my_list: list[nodes.NodeNG]) -> None:
                 sort_locals(node.parent.scope().locals[asname or name])  # type: ignore[arg-type]
 
     def delayed_assattr(self, node: nodes.AssignAttr) -> None:
-        """Visit a AssAttr node.
+        """Visit an AssignAttr node.
 
         This adds name to locals and handle members definition.
         """