fix accepted_formats in spectacle-screenshots

scripts/py/spectacle-screenshot.py

@@ -27,7 +27,9 @@ def spectacle_screenshot(
                 'File already exists. Please provide a different file path, or use the zipline function to upload the file.\nExample: zipline "{file_path}"'
             )
 
-        accepted_formats = [str(f) for f in QImageWriter.supportedImageFormats()]
+        accepted_formats = [
+            f.data().decode() for f in QImageWriter.supportedImageFormats()
+        ]
         accepted_formats.extend(("webm", "mp4"))
         print(accepted_formats)
         if not format:
@@ -37,7 +39,7 @@ def spectacle_screenshot(
                 f"Invalid format. Accepted formats are: {', '.join(accepted_formats)}"
             )
         else:
-            format = f".{format}"
+            format = f".{str(format)}"
 
         if not file_path:
             use_temp_file = True