biocore / biom-format / 1103

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travis-ci

don't strip tabs from header (#822)

* don't strip tabs from header

- in tsv data with row and column names the first cell of the
  header is usually left empty, e.g. tsv export from R does it
  like this
- the content of the 1st cell in the header seems not to appear
  in the header anyway, so leaving it unstripped might also be fine
- stripping the leading tab leads to an error:

```
Traceback (most recent call last):
  File "/gpfs1/data/galaxy_server/galaxy/database/dependencies/_conda/envs/__biom-format@2.1.5/bin/biom", line 6, in <module>
    sys.exit(biom.cli.cli())
  File "/gpfs1/data/galaxy_server/galaxy/database/dependencies/_conda/envs/__biom-format@2.1.5/lib/python3.6/site-packages/click/core.py", line 722, in __call__
    return self.main(*args, **kwargs)
  File "/gpfs1/data/galaxy_server/galaxy/database/dependencies/_conda/envs/__biom-format@2.1.5/lib/python3.6/site-packages/click/core.py", line 697, in main
    rv = self.invoke(ctx)
  File "/gpfs1/data/galaxy_server/galaxy/database/dependencies/_conda/envs/__biom-format@2.1.5/lib/python3.6/site-packages/click/core.py", line 1066, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/gpfs1/data/galaxy_server/galaxy/database/dependencies/_conda/envs/__biom-format@2.1.5/lib/python3.6/site-packages/click/core.py", line 895, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/gpfs1/data/galaxy_server/galaxy/database/dependencies/_conda/envs/__biom-format@2.1.5/lib/python3.6/site-packages/click/core.py", line 535, in invoke
    return callback(*args, **kwargs)
  File "/gpfs1/data/galaxy_server/galaxy/database/dependencies/_conda/envs/__biom-format@2.1.5/lib/python3.6/site-packages/biom_format-2.1.5-py3.6-linux-x86_64.egg/biom/cli/table_converter.py", line 114, in convert
    table = load_table(input_fp)
  File "/gpfs1/data/galaxy_server/galaxy/database/dependencies/_conda/envs/__biom-format@2.1.5/lib/python3.6/site-packages/b... (continued)

1136 of 1425 branches covered (79.72%)

1 of 1 new or added line in 1 file covered. (100.0%)

2528 of 2931 relevant lines covered (86.25%)

2.59 hits per line