Fix mypy's complaints

Author: hardbyte

can/interfaces/vector/canlib.py

@@ -28,7 +28,7 @@
 INFINITE: Optional[int]
 try:
     # Try builtin Python 3 Windows API
-    from _winapi import WaitForSingleObject, INFINITE
+    from _winapi import WaitForSingleObject, INFINITE       # type: ignore
 
     HAS_EVENTS = True
 except ImportError:

can/io/player.py

@@ -106,7 +106,7 @@ def decompress(
         return real_suffix, gzip.open(filename, mode)
 
     def __iter__(self) -> typing.Generator[Message, None, None]:
-        pass
+        raise NotImplementedError()
 
 
 class MessageSync:  # pylint: disable=too-few-public-methods

can/viewer.py

@@ -390,7 +390,7 @@ def _fill_text(self, text, width, indent):
             return super()._fill_text(text, width, indent)
 
 
-def parse_args(args):
+def parse_args(args: List[str]) -> Tuple:
     # Parse command line arguments
     parser = argparse.ArgumentParser(
         "python -m can.viewer",