Fix/refactor issues brought up by type hint linting

1 files changed, 2 insertions, 1 deletions

diff --git a/src/Exports.py b/src/Exports.py
index fe5fb338..b0cb2043 100644
--- a/src/Exports.py
+++ b/src/Exports.py
@@ -12,7 +12,8 @@ class Exports(object):
         self._add(None, setting, value)
     def _context_add(self, context: str, setting: str, value: typing.Any):
         self._add(context, setting, value)
-    def _add(self, context: str, setting: str, value: typing.Any):
+    def _add(self, context: typing.Optional[str], setting: str,
+            value: typing.Any):
         if context == None:
             if not setting in self._exports:
                 self._exports[setting] = []