fix(storage): fix flake8 import order and address review comments

- Reordered imports in snippets_test.py to satisfy flake8.
- Refactored storage_compose_file.py print statements to avoid duplication.

[Generated-by: AI]

Author: nidhiii-27

storage/samples/snippets/snippets_test.py

@@ -15,10 +15,10 @@
 import asyncio
 import io
 import os
+import sys
 import tempfile
 import time
 import uuid
-import sys
 
 from google.cloud import storage
 import google.cloud.exceptions

storage/samples/snippets/storage_compose_file.py

@@ -57,18 +57,16 @@ def compose_file(
         delete_source_objects=delete_source_objects,
     )
 
-    if delete_source_objects:
-        print(
-            "New composite object {} in the bucket {} was created by combining {} and {}. Source objects were deleted.".format(
-                destination_blob_name, bucket_name, first_blob_name, second_blob_name
-            )
-        )
-    else:
-        print(
-            "New composite object {} in the bucket {} was created by combining {} and {}".format(
-                destination_blob_name, bucket_name, first_blob_name, second_blob_name
-            )
+    suffix = " Source objects were deleted." if delete_source_objects else ""
+    print(
+        "New composite object {} in the bucket {} was created by combining {} and {}.{}".format(
+            destination_blob_name,
+            bucket_name,
+            first_blob_name,
+            second_blob_name,
+            suffix,
         )
+    )
     return destination