diff --git a/winregistry.py b/winregistry.py
index d660628..ef5266c 100644
--- a/winregistry.py
+++ b/winregistry.py
@@ -15,6 +15,7 @@
     'HKDD': 'HKEY_DYN_DATA',
 }
 
+
 def _cast_winreg(value: str) -> tp.Any:
     if not (obj := getattr(winreg, value)):
         raise ValueError(f'unknown value {value}')
@@ -28,7 +29,7 @@ def _normalize_wow64_32(value):
 
 
 class _RegEntity(ABC):
-    def __init__(self, reg_key, name, wow64_32: bool| int = False):
+    def __init__(self, reg_key, name, wow64_32: bool | int = False):
         self._name = name
         self._reg_key = reg_key
         self._wow = _normalize_wow64_32(wow64_32)
@@ -42,8 +43,7 @@ def _get_raw(self): ...
 
     @classmethod
     @abstractmethod
-    def from_index(cls, reg_key, index, wow64_32: bool| int = False) -> tp.Self:
-        ...
+    def from_index(cls, reg_key, index, wow64_32: bool | int = False) -> tp.Self: ...
 
     def _get_access_key(self, winreg_access_mode) -> int:
         return winreg_access_mode | self._wow
@@ -51,7 +51,7 @@ def _get_access_key(self, winreg_access_mode) -> int:
 
 class RegValue(_RegEntity):
     @classmethod
-    def from_index(cls, reg_key, index, wow64_32: bool| int = False) -> tp.Self:
+    def from_index(cls, reg_key, index, wow64_32: bool | int = False) -> tp.Self:
         name, value, raw_type = winreg.EnumValue(reg_key, index)
         wow = _normalize_wow64_32(wow64_32)
         return RegValue(
@@ -75,19 +75,18 @@ def data(self, value):
     def type(self):
         return self._raw[1]
 
-
     def delete(self): ...
 
 
 class RegKey(_RegEntity):
-    def __init__(self, reg_key, name, wow64_32: bool| int = False):
+    def __init__(self, reg_key, name, wow64_32: bool | int = False):
         super().__init__(reg_key, name, wow64_32)
 
     def _get_raw(self):
         return winreg.QueryInfoKey(self._reg_key)
 
     @classmethod
-    def from_index(cls, reg_key, index, wow64_32: bool| int = False) -> tp.Self:
+    def from_index(cls, reg_key, index, wow64_32: bool | int = False) -> tp.Self:
         name = winreg.EnumKey(reg_key, index)
         wow = _normalize_wow64_32(wow64_32)
         return RegKey(
@@ -117,7 +116,7 @@ def modified_at(self):
         return datetime(1601, 1, 1) + timedelta(microseconds=self._raw[2] / 10)
 
     @property
-    def child_keys_names(self) :
+    def child_keys_names(self):
         for index in range(self.child_keys_count):
             yield winreg.EnumKey(self._reg_key, index)
 
@@ -161,7 +160,7 @@ def set_value(self, name, value): ...
 
     def delete_value(self, name): ...
 
-    def __enter__(self) :
+    def __enter__(self):
         return self
 
     def __exit__(self, exc_type, exc_val, exc_tb):
@@ -172,18 +171,13 @@ class WinRegistry(RegKey):
     @classmethod
     def connect(cls, name: str | int, host=None, wow64_32=False):
         if isinstance(name, int):
-            return cls(
-                winreg.ConnectRegistry(host, name),
-                wow64_32
-            )
+            return cls(winreg.ConnectRegistry(host, name), wow64_32)
         return cls(
             winreg.ConnectRegistry(host, _cast_winreg(name.upper())),
             wow64_32,
         )
 
 
-
-#
 # class robot:
 #     def __init__(self, root, host=None, wow64_32=False):
 #         self._cls_params = {