git_config: GetBoolean should return bool

Test: tox
Change-Id: Ifc0dc089deef5a3b396d889c9ebfcf8d4f007bf2
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/390360
Tested-by: Daniel Kutik <daniel.kutik@lavawerk.com>
Reviewed-by: Mike Frysinger <vapier@google.com>
Commit-Queue: Daniel Kutik <daniel.kutik@lavawerk.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/git_config.py b/git_config.py
index 4f053ed0..1bde4795 100644
--- a/git_config.py
+++ b/git_config.py
@@ -180,7 +180,7 @@ class GitConfig:
             config_dict[key] = self.GetString(key)
         return config_dict
 
-    def GetBoolean(self, name: str) -> Union[str, None]:
+    def GetBoolean(self, name: str) -> Union[bool, None]:
         """Returns a boolean from the configuration file.
 
         Returns: