burst2safe fails to create SAFE for S1_035237_IW2_20151001T205958_VV_A5EC-BURST and S1_035238_IW2_20151001T210001_VV_0EAC-BURST

[rysug-synspective]

For old products, burst2safe fails to create SAFE with two bursts, S1_035237_IW2_20151001T205958_VV_A5EC-BURST and S1_035238_IW2_20151001T210001_VV_0EAC-BURST.
A similar issue occurs with S1_035237_IW2_20151025T205958_VV_52ED-BURST and S1_035238_IW2_20151025T210001_VV_F6C9-BURST, but
there are no issues with S1_035237_IW2_20151118T205958_VV_CC01-BURST and S1_035238_IW2_20151118T210000_VV_CC01-BURST.

$ burst2safe S1_035237_IW2_20151001T205958_VV_A5EC-BURST S1_035238_IW2_20151001T210001_VV_0EAC-BURST --output-dir ./
Using granule search...
Found 2 burst(s).
Check burst group validity...
Downloading data...
Download complete.
Creating SAFE...
Traceback (most recent call last):
  File "/home/rysug/miniconda3/envs/s1_burst_latest_env/bin/burst2safe", line 10, in <module>
    sys.exit(main())
             ~~~~^^
  File "/home/rysug/miniconda3/envs/s1_burst_latest_env/lib/python3.14/site-packages/burst2safe/burst2safe.py", line 107, in main
    burst2safe(
    ~~~~~~~~~~^
        granules=args.granules,
        ^^^^^^^^^^^^^^^^^^^^^^^
    ...<8 lines>...
        work_dir=args.output_dir,
        ^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
  File "/home/rysug/miniconda3/envs/s1_burst_latest_env/lib/python3.14/site-packages/burst2safe/burst2safe.py", line 71, in burst2safe
    safe_path = safe.create_safe()
  File "/home/rysug/miniconda3/envs/s1_burst_latest_env/lib/python3.14/site-packages/burst2safe/safe.py", line 461, in create_safe
    self.create_safe_components()
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
  File "/home/rysug/miniconda3/envs/s1_burst_latest_env/lib/python3.14/site-packages/burst2safe/safe.py", line 303, in create_safe_components
    swath.assemble()
    ~~~~~~~~~~~~~~^^
  File "/home/rysug/miniconda3/envs/s1_burst_latest_env/lib/python3.14/site-packages/burst2safe/swath.py", line 143, in assemble
    component.assemble()
    ~~~~~~~~~~~~~~~~~~^^
  File "/home/rysug/miniconda3/envs/s1_burst_latest_env/lib/python3.14/site-packages/burst2safe/product.py", line 292, in assemble
    self.create_general_annotation()
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
  File "/home/rysug/miniconda3/envs/s1_burst_latest_env/lib/python3.14/site-packages/burst2safe/product.py", line 108, in create_general_annotation
    lol = ListOfListElements(list_elements, self.start_line, self.slc_lengths)
  File "/home/rysug/miniconda3/envs/s1_burst_latest_env/lib/python3.14/site-packages/burst2safe/base.py", line 50, in __init__
    self.inputs = sorted(self.inputs, key=self.get_first_time)
                  ~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/rysug/miniconda3/envs/s1_burst_latest_env/lib/python3.14/site-packages/burst2safe/base.py", line 62, in get_first_time
    first_time = min([datetime.fromisoformat(sub.find(self.time_field).text) for sub in element])  # type: ignore[arg-type]
ValueError: min() iterable argument is empty