Formatted a file

Author: R-Larocque

src/lufus/block_ops.py

@@ -651,13 +651,13 @@ def write_device_image(src_path: str, device: str, bs: int = 4194304, progress_c
             chunk = os.read(src_fd, bs)
             if not chunk:
                 break
-            
+
             bytes_to_write = len(chunk)
             bytes_written = 0
             while bytes_written < bytes_to_write:
                 n = os.write(dst_fd, chunk[bytes_written:])
                 bytes_written += n
-            
+
             written += bytes_to_write
             if total > 0 and progress_cb:
                 pct = int(written * 100 / total)