SCC To TTML Conversion Error

[shashank-sachan]

tt convert -i sample.scc -o sample.ttml
Input file is TLVOD-0000485916-GTMV0000445818-1902669_Text1.scc
Output file is TLVOD-0000485916-GTMV0000445818-1902669_Text1.ttml
Cannot define the paragraph text alignment. Set it to default left-aligned.
Reading: |█████████████████████████████████████████████████-| 100% CompleteTraceback (most recent call last):
File "/Users/app/Library/Python/3.9/bin/tt", line 8, in
sys.exit(main())
File "/Users/app/Library/Python/3.9/lib/python/site-packages/ttconv/tt.py", line 482, in main
args.func(args)
File "/Users/app/Library/Python/3.9/lib/python/site-packages/ttconv/tt.py", line 323, in convert
model = scc_reader.to_model(file_as_str, reader_config, progress_callback_read)
File "/Users/app/Library/Python/3.9/lib/python/site-packages/ttconv/scc/reader.py", line 100, in to_model
scc_line.process(context)
File "/Users/app/Library/Python/3.9/lib/python/site-packages/ttconv/scc/line.py", line 163, in process
context.process_control_code(scc_code, self.time_code)
File "/Users/app/Library/Python/3.9/lib/python/site-packages/ttconv/scc/context.py", line 381, in process_control_code
self.get_caption_to_process().indent_cursor(2)
AttributeError: 'NoneType' object has no attribute 'indent_cursor'

[palemieux]

@shashank-sachan Thanks for the PR. Two questions:

• which version of ttconv did you use?
• can you add a unit test that highlights the issue?

I have not been able to reproduce the bug.

[shashank-sachan]

@shashank-sachan Thanks for the PR. Two questions:

• which version of ttconv did you use?
• can you add a unit test that highlights the issue?

I have not been able to reproduce the bug.

1. Version Detail
   pip show ttconv
   Name: ttconv
   Version: 1.2.0
   Summary: Library for conversion of common timed text formats
   Home-page: https://github.com/sandflow/ttconv
   Author: Sandflow Consulting LLC
   Author-email: [email protected]

2. I'll add the test cases

[palemieux]

@shashank-sachan Any luck with the test case? Happy to write it if you can provide the SCC snippet.

[shashank-sachan]

@shashank-sachan Any luck with the test case? Happy to write it if you can provide the SCC snippet.

I'm attaching SCC file which is having this issue.
sample.scc.zip

[palemieux]

@shashank-sachan Thanks. Can you review #469 ?