fixed type annotations type in parsers

riscemu/parser.py

@@ -123,5 +123,5 @@ class AssemblyFileLoader(ProgramLoader):
         return 0.01
 
     @classmethod
-    def get_options(cls, argv: list[str]) -> [List[str], T_ParserOpts]:
+    def get_options(cls, argv: List[str]) -> [List[str], T_ParserOpts]:
         return argv, {}

riscemu/priv/ElfLoader.py

@@ -34,7 +34,7 @@ class ElfBinaryFileLoader(ProgramLoader):
         return 0
 
     @classmethod
-    def get_options(cls, argv: list[str]) -> [List[str], T_ParserOpts]:
+    def get_options(cls, argv: List[str]) -> [List[str], T_ParserOpts]:
         return argv, {}
 
     def parse(self) -> Program:

riscemu/priv/ImageLoader.py

@@ -22,7 +22,7 @@ class MemoryImageLoader(ProgramLoader):
         return 0
 
     @classmethod
-    def get_options(cls, argv: list[str]) -> [List[str], T_ParserOpts]:
+    def get_options(cls, argv: List[str]) -> [List[str], T_ParserOpts]:
         return argv, {}
 
     def parse(self) -> Iterable[Program]:

riscemu/types/program_loader.py

@@ -29,7 +29,7 @@ class ProgramLoader(ABC):
 
     @classmethod
     @abstractmethod
-    def get_options(cls, argv: list[str]) -> [List[str], T_ParserOpts]:
+    def get_options(cls, argv: List[str]) -> [List[str], T_ParserOpts]:
         """
         parse command line args into an options dictionary