diff --git a/edtf/natlang/en.py b/edtf/natlang/en.py
index 49b04f3..97230db 100644
--- a/edtf/natlang/en.py
+++ b/edtf/natlang/en.py
@@ -1,4 +1,5 @@
 """Utilities to derive an EDTF string from an (English) natural language string."""
+
 import functools
 import re
 from datetime import datetime
@@ -52,7 +53,7 @@
 REJECT_RULES = re.compile(r".*dynasty.*")  # Don't parse '23rd Dynasty' to 'uuuu-uu-23'
 
 
-@functools.lru_cache()
+@functools.lru_cache
 def text_to_edtf(text: str) -> Optional[str]:
     """
     Generate EDTF string equivalent of a given natural language date string.
@@ -133,7 +134,7 @@ def text_to_edtf(text: str) -> Optional[str]:
     return result
 
 
-@functools.lru_cache()
+@functools.lru_cache
 def text_to_edtf_date(text: str) -> Optional[str]:
     """
     Return EDTF string equivalent of a given natural language date string.
diff --git a/edtf/parser/parser_classes.py b/edtf/parser/parser_classes.py
index eada1f9..ad690fb 100644
--- a/edtf/parser/parser_classes.py
+++ b/edtf/parser/parser_classes.py
@@ -98,10 +98,6 @@ class EDTFObject:
 
     parser = None
 
-    def __init__(self, *args, **kwargs):
-        errmsg: str = f"{type(self).__name__}.__init__(*{args}, **{kwargs})"
-        raise NotImplementedError(f"{errmsg} is not implemented.")
-
     @classmethod
     def set_parser(cls, p):
         cls.parser = p
@@ -288,6 +284,7 @@ def set_year(self, y: int):
 
     def get_year(self) -> int:
         return self._year
+
     year = property(get_year, set_year)
 
     def set_month(self, m: Optional[int]):
@@ -297,6 +294,7 @@ def set_month(self, m: Optional[int]):
 
     def get_month(self) -> Optional[int]:
         return self._month
+
     month = property(get_month, set_month)
 
     def __str__(self):
@@ -932,8 +930,9 @@ def __str__(self):
 
         return result
 
-    def set_year(self, y): # Year can be None.
+    def set_year(self, y):  # Year can be None.
         self._year = y
+
     year = property(Date.get_year, set_year)
 
     def _precise_year(self, lean: str):