deploy related -> content variant issue #24

python3 -m databusclient deploy --versionid https://databus.openflaas.de/milandoj/group-1/artifact-1/version-1 --title "version-1 title" --abstract "version abstract" --description "version description" --license http://dalicc.net/licenselibrary/AdaptivePublicLicense10 --apikey KEYYYYY 'https://data.openflaas.de/milandoj/group-1/artifact-1/version-1/file.txt.bz2'
https://databus.openflaas.de/milandoj/group-1/artifact-1/version-1
Traceback (most recent call last):
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/Users/milan/Library/Python/3.7/lib/python/site-packages/databusclient/__main__.py", line 3, in <module>
    cli.app()
  File "/Users/milan/Library/Python/3.7/lib/python/site-packages/typer/main.py", line 214, in __call__
    return get_command(self)(*args, **kwargs)
  File "/Users/milan/Library/Python/3.7/lib/python/site-packages/click/core.py", line 1161, in __call__
    return self.main(*args, **kwargs)
  File "/Users/milan/Library/Python/3.7/lib/python/site-packages/click/core.py", line 1082, in main
    rv = self.invoke(ctx)
  File "/Users/milan/Library/Python/3.7/lib/python/site-packages/click/core.py", line 1697, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/Users/milan/Library/Python/3.7/lib/python/site-packages/click/core.py", line 1443, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/Users/milan/Library/Python/3.7/lib/python/site-packages/click/core.py", line 788, in invoke
    return __callback(*args, **kwargs)
  File "/Users/milan/Library/Python/3.7/lib/python/site-packages/typer/main.py", line 500, in wrapper
    return callback(**use_params)  # type: ignore
  File "/Users/milan/Library/Python/3.7/lib/python/site-packages/databusclient/cli.py", line 20, in deploy
    dataid = client.createDataset(versionId,title,abstract,description,license,distributions)
  File "/Users/milan/Library/Python/3.7/lib/python/site-packages/databusclient/client.py", line 143, in createDataset
    (name, cvs, formatExtension, compression, contentLength, sha256sum) = __getFileInfo(artifactName, dst_string)
  File "/Users/milan/Library/Python/3.7/lib/python/site-packages/databusclient/client.py", line 89, in __getFileInfo
    cvs = __getCVs(distribution_str)
  File "/Users/milan/Library/Python/3.7/lib/python/site-packages/databusclient/client.py", line 13, in __getCVs
    cv_str = args[1].strip("_")
IndexError: list index out of range