Fixed issue for downloading one image

coastsnap/spotteron_batch_download.py

@@ -169,7 +169,10 @@ class Spotteron:
                     
                     if img.output_filename == images[index-1].output_filename: # Check for sequential duplicate images
                         logger.info(f"Duplicate Spotteron upload: {img.output_filename}")
-                        continue
+                        if len(images) == 1:
+                            break
+                        else:
+                            continue
                     
                     logger.info("Existing images found. Stopping getting images")
                     break