fixed get

plugins/module_utils/module.py

@@ -85,12 +85,10 @@ class AnsibleModule(object):
 
     def get(self, key: str, default: T = None) -> T:
         """returns an Parameter of the Module."""
-        if key not in self.params.keys():
+        if key not in self.params:
-            return default
+            raise KeyError()
         if self.params[key] is None and default is not None:
             return default
-        if self.params[key] is None or key not in self.params:
-            raise KeyError()
         return self.params[key]
 
     def changed_get(self):