dict -> Dict for 3.8 support

Author: haykh

nt2/plotters/movie.py

@@ -1,4 +1,4 @@
-from typing import Any, Optional
+from typing import Any, Optional, Dict
 from nt2.plotters.export import (
     makeFramesAndMovie,
 )
@@ -21,8 +21,8 @@ def __init__(self, xarray_obj: xr.DataArray) -> None:
     def plot(
         self,
         name: str,
-        movie_kwargs: dict[str, Any] = {},
-        fig_kwargs: dict[str, Any] = {},
+        movie_kwargs: Dict[str, Any] = {},
+        fig_kwargs: Dict[str, Any] = {},
         aspect_equal: bool = False,
         **kwargs: Any,
     ) -> bool: