Fix image file name with datetime

app.py

@@ -13,14 +13,15 @@ def add_image(camera, gallery):
 
 
 def zip_gallery(gallery):
-    new_zip_name = f'{datetime.datetime.now().strftime("%Y_%m_%d_%H_%M_%S")}.zip'
+    current_time = datetime.datetime.now().strftime("%Y_%m_%d_%H_%M_%S")
+    new_zip_name = f'{current_time}.zip'
     count = 0
     if not gallery:
         return gr.DownloadButton("Download", visible=False)
     zf = zipfile.ZipFile(new_zip_name, mode="w")
     try:
         for path, _ in gallery:
-            zf.write(path, f'image_{count}.png',
+            zf.write(path, f'{current_time}_{count}.png',
                      compress_type=zipfile.ZIP_DEFLATED)
             count = count + 1
     except FileNotFoundError: