Core: Further python 3.6 fixes

volatility3/framework/symbols/__init__.py

@@ -65,7 +65,7 @@ class SymbolSpace(interfaces.symbols.SymbolSpaceInterface):
 
     def get_symbols_by_location(self, offset: int, size: int = 0, table_name: str = None) -> Iterable[str]:
         """Returns all symbols that exist at a specific relative address."""
-        table_list = self._dict.values()  # type: Iterable[interfaces.symbols.BaseSymbolTableInterface]
+        table_list: Iterable[interfaces.symbols.BaseSymbolTableInterface] = self._dict.values()
         if table_name is not None:
             if table_name in self._dict:
                 table_list = [self._dict[table_name]]

volatility3/framework/symbols/windows/extensions/__init__.py

@@ -526,7 +526,7 @@ class EPROCESS(generic.GenericIntelProcess, pool.ExecutiveObject):
             raise TypeError("Parent layer is not a translation layer, unable to construct process layer")
 
         # Presumably for 64-bit systems, the DTB is defined as an array, rather than an unsigned long long
-        dtb = 0  # type: int
+        dtb: int = 0
         if isinstance(self.Pcb.DirectoryTableBase, objects.Array):
             dtb = self.Pcb.DirectoryTableBase.cast("unsigned long long")
         else: