sistana: format

src/arclet/alconna/sistana/fragment.py

@@ -13,6 +13,7 @@
 if TYPE_CHECKING:
     from nepattern import BasePattern
 
+
 @dataclass(**safe_dcls_kw(slots=True))
 class Fragment(_Fragment):
     type: Some[Any] = None
@@ -50,8 +51,9 @@ def _validate(v: Segment):
             return True
 
         self.validator = _validate
-    
+
         if self.cast:
+
             def _transform(v: Segment):
                 return convert(str(v), t)
 
@@ -75,6 +77,7 @@ def apply_nepattern(self, pat: BasePattern | None = None, capture_mode: bool = F
             else:
                 self.capture = RegexCapture(pat.alias)  # type: ignore
         else:
+
             def _validate(v: Segment):
                 if isinstance(v, (Quoted, UnmatchedQuoted)):
                     if isinstance(v.ref, str):
@@ -87,6 +90,7 @@ def _validate(v: Segment):
             self.validator = _validate
 
         if self.cast:
+
             def _transform(v: Segment):
                 return pat.validate(str(v)).value()
 

src/arclet/alconna/sistana/model/fragment.py

@@ -42,5 +42,5 @@ def assert_fragments_order(fragments: Iterable[_Fragment]):
         if frag.variadic:
             if frag.default is not None:
                 raise ValueError("A variadic fragment cannot have a default value.")
-    
+
             variadic_exists = True

src/arclet/alconna/sistana/model/snapshot.py

@@ -130,7 +130,7 @@ def update(self, key: tuple[str, ...], pattern: SubcommandPattern):
     def get_subcommand(self, context: SubcommandPattern, val: str):
         if val in context._subcommands_bind:
             return context._subcommands_bind[val], None
-        
+
         if context._compact_keywords is not None:
             prefix = context._compact_keywords.longest_prefix(val).key
             if prefix is not None: