style: type untyped methods

Author: bearomorphism

commitizen/commands/example.py

@@ -9,5 +9,5 @@ def __init__(self, config: BaseConfig, *args):
         self.config: BaseConfig = config
         self.cz = factory.committer_factory(self.config)
 
-    def __call__(self):
+    def __call__(self) -> None:
         out.write(self.cz.example())

commitizen/commands/schema.py

@@ -9,5 +9,5 @@ def __init__(self, config: BaseConfig, *args):
         self.config: BaseConfig = config
         self.cz = factory.committer_factory(self.config)
 
-    def __call__(self):
+    def __call__(self) -> None:
         out.write(self.cz.schema())