Add some typing fixes.

volatility/framework/interfaces/objects.py

@@ -108,6 +108,10 @@ class ObjectInterface(validity.ValidityRoutines, metaclass = ABCMeta):
         Raises InvalidDataException on failure to validate the data correctly.
         """
 
+    def __getattr__(self, attr: str) -> typing.Any:
+        """Method for ensuring volatility members can be returned"""
+        pass
+
     def get_symbol_table(self) -> typing.Optional['interfaces.symbols.SymbolTableInterface']:
         """Returns the symbol table for this particular object
 

volatility/framework/symbols/utility.py

@@ -1,3 +1,5 @@
+import typing
+
 from volatility.framework import interfaces
 
 
@@ -5,7 +7,7 @@ def mask_symbol_table(symbol_table: interfaces.symbols.SymbolTableInterface,
                       address_mask: int = 0):
     """Alters a symbol table, such that all symbols returned have their address masked by the address mask"""
     original_get_symbol = symbol_table.get_symbol
-    cached_symbols = {}
+    cached_symbols = {}  # type: typing.Dict[interfaces.symbols.Symbol, interfaces.symbols.Symbol]
 
     def address_masked_get_symbol(*args, **kwargs):
         symbol = original_get_symbol(*args, **kwargs)

volatility/plugins/windows/vadinfo.py

@@ -60,7 +60,7 @@ class VadInfo(interfaces_plugins.PluginInterface):
         values = ntkrnlmp.object(type_name = "array", offset = kvo + addr,
                                  subtype = ntkrnlmp.get_type("int"),
                                  count = 32)
-        return values
+        return values  # type: ignore
 
     @classmethod
     def list_vads(cls, proc: interfaces.objects.ObjectInterface,