[gemma4] make pytest and linters happy

skillls/checker.py

@@ -1,9 +1,8 @@
 from dataclasses import dataclass
-from enum import Enum, auto
+from enum import Enum
 
-from lsprotocol.types import Location, Position, Range
+from lsprotocol.types import Position, Range
 
-from skillls.types import URI
 
 
 class SyntaxError(Exception):
@@ -28,7 +27,6 @@ def _check_for_matching_parens(content: str) -> list[Exception]:
     line = 0
     col = 0
     last_open: Position = Position(0, 0)
-    last_close: Position = Position(0, 0)
     for char in content:
         match char:
             case "(":
@@ -45,7 +43,6 @@ def _check_for_matching_parens(content: str) -> list[Exception]:
                         )
                     )
                     opened = 0
-                last_close = Position(line, col)
             case "\n":
                 line += 1
                 col = -1