Update src/roiextractors/extractors/tiffimagingextractors/scanimageti…

…ffimagingextractor.py

Co-authored-by: Paul Adkisson <paul.wesley.adkisson@gmail.com>

src/roiextractors/extractors/tiffimagingextractors/scanimagetiffimagingextractor.py

@@ -458,7 +458,7 @@ def check_frame_inputs(self, frame) -> None:
         if frame < 0:
             raise ValueError(f"Frame index ({frame}) must be greater than or equal to 0.")
 
-    def frame_to_raw_index(self, frame) -> int:
+    def frame_to_raw_index(self, frame: int) -> int:
         """Convert a frame index to the raw index in the TIFF file.
 
         Parameters