[WIP] Try native parser

Author: ilevkivskyi

mypy/options.py

@@ -386,7 +386,7 @@ def __init__(self) -> None:
         # If True, partial types can't span a module top level and a function
         self.local_partial_types = True
         # If True, use the native parser (experimental)
-        self.native_parser = False
+        self.native_parser = True
         # Some behaviors are changed when using Bazel (https://bazel.build).
         self.bazel = False
         # If True, export inferred types for all expressions as BuildResult.types