Use type "Any" in docstrings if type is not given

When Config and attr.ib parameters are mixed and an attr.ib has neither
a type nor a description, the docstring looks better with this change.

src/AsapoWorker/configurable.py

@@ -72,7 +72,7 @@ def Configurable(maybe_cls=None, *args, **kwargs):
         doc = ""
         for field in config_entries(cls):
             if field.type is None:
-                typename = ""
+                typename = "Any"
             else:
                 typename = field.type.__name__
 

tests/test_configurable.py

@@ -10,7 +10,7 @@ def test_create_docstring():
 
     assert Foo.__doc__ == (
         "Foo\n\nwith_type: int\n   An int parameter\n"
-        "without_type: \n   A parameter without type")
+        "without_type: Any\n   A parameter without type")
 
 
 def test_extend_docstring():
@@ -23,7 +23,7 @@ def test_extend_docstring():
     assert Foo.__doc__ == (
         "A single line description of Foo\n\n"
         "with_type: int\n   An int parameter\n"
-        "without_type: \n   A parameter without type")
+        "without_type: Any\n   A parameter without type")
 
 
 def test_not_extend_docstring():
@@ -63,7 +63,7 @@ def test_insert_docstring():
         "        Some more details.\n\n"
         "        with_type: int\n"
         "   An int parameter\n"
-        "without_type: \n"
+        "without_type: Any\n"
         "   A parameter without type\n\n"
         "        Some closing remarks.")
 
@@ -77,7 +77,7 @@ def test_docstring_init_false():
     assert Test.__doc__ == (
         "Test\n"
         "\n"
-        "do_init: \n"
+        "do_init: Any\n"
         "   Init me")