biocore/qiita — pull request #396 by ElDeveloper (2014-10-14 17:51:03+00:00)
Title: BUG: Fix TypeError on environment creation

I got this exception when creating a new environment

```python
Traceback (most recent call last):
File "/Users/yoshikivazquezbaeza/git_sw/qiita/scripts/qiita_env", line 105, in
env()
File "/Users/yoshikivazquezbaeza/.virtualenvs/qiita/lib/python2.7/site-packages/click/core.py", line 384, in __call__
return self.main(*args, **kwargs)
File "/Users/yoshikivazquezbaeza/.virtualenvs/qiita/lib/python2.7/site-packages/click/core.py", line 370, in main
self.invoke(ctx)
File "/Users/yoshikivazquezbaeza/.virtualenvs/qiita/lib/python2.7/site-packages/click/core.py", line 614, in invoke
return self.invoke_subcommand(ctx, cmd, cmd_name, ctx.args[1:])
File "/Users/yoshikivazquezbaeza/.virtualenvs/qiita/lib/python2.7/site-packages/click/core.py", line 623, in invoke_subcommand
return cmd.invoke(cmd_ctx)
File "/Users/yoshikivazquezbaeza/.virtualenvs/qiita/lib/python2.7/site-packages/click/core.py", line 524, in invoke
ctx.invoke(self.callback, **ctx.params)
File "/Users/yoshikivazquezbaeza/.virtualenvs/qiita/lib/python2.7/site-packages/click/core.py", line 236, in invoke
return callback(*args, **kwargs)
File "/Users/yoshikivazquezbaeza/git_sw/qiita/scripts/qiita_env", line 77, in make
make_environment(load_ontologies, download_reference, add_demo_user)
File "/Users/yoshikivazquezbaeza/git_sw/qiita/qiita_db/environment_manager.py", line 177, in make_environment
_download_reference_files(conn)
TypeError: _download_reference_files() takes no arguments (1 given)
```