Adjust __init__ methods

src/viur/core/render/abstract.py

@@ -15,6 +15,7 @@ def __init__(self, parent: Module = None):
     @property
     @abc.abstractmethod
     def kind(self) -> str:
+        """Renderer type specifier"""
         ...
 
     @abc.abstractmethod

src/viur/core/render/html/default.py

@@ -56,14 +56,13 @@ class Render(AbstractRenderer):
 
     __haveEnvImported_ = False
 
-    def __init__(self, parent=None, *args, **kwargs):
-        super(Render, self).__init__(*args, **kwargs)
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
         if not Render.__haveEnvImported_:
             # We defer loading our plugins to this point to avoid circular imports
             # noinspection PyUnresolvedReferences
             from . import env
             Render.__haveEnvImported_ = True
-        self.parent = parent
 
     def getTemplateFileName(
         self,

src/viur/core/render/json/default.py

@@ -30,10 +30,6 @@ def default(self, o: t.Any) -> t.Any:
 class DefaultRender(AbstractRenderer):
     kind = "json"
 
-    def __init__(self, parent=None, *args, **kwargs):
-        super(DefaultRender, self).__init__(*args, **kwargs)
-        self.parent = parent
-
     @staticmethod
     def render_structure(structure: dict):
         """

src/viur/core/render/xml/default.py

@@ -58,10 +58,6 @@ def recursiveSerializer(data, element):
 class DefaultRender(AbstractRenderer):
     kind = "xml"
 
-    def __init__(self, parent=None, *args, **kwargs):
-        super(DefaultRender, self).__init__(*args, **kwargs)
-
-
     def renderTextExtension(self, ext):
         e = ext()
         return ({"name": e.name,