simple fixes

conf/apps/globals.py

@@ -1,18 +1,22 @@
+import logging
 from enum import Enum
 
-GLOBAL_VAR = "Hello, World!"
+LOGGER = logging.getLogger('AppDaemon._globals')
 
 
-def global_function():
-    print('This is a global function.')
+GLOBAL_VAR = 'Hello, World!'
+
+
+def global_function() -> None:
+    LOGGER.info('This is a global function.')
 
 
 class GlobalClass:
-    def __init__(self):
+    def __init__(self) -> None:
         self.value = 'This is a global class instance.'
 
-    def display(self):
-        print(self.value)
+    def display(self) -> None:
+        LOGGER.info(self.value)
 
 
 class ModeSelect(Enum):