IndexError in terms_to_semantic_network, need to check for empty term list

[ghost]

Need to check for empty term list in terms_to_semantic_network()
network.py#L69

Expected Behavior

Should not try to build graph on an empty term list

Current Behavior

Does not check for empty term list before indexing

Possible Solution

Check for empty list and return None?, or don't try to build network if the term list has been pruned to zero length

Steps to Reproduce (for bugs)

set terms = [] in argument list

Your Environment

{'platform': 'darwin',
'python': '3.5.2 |Anaconda custom (x86_64)| (default, Jul 2 2016, 17:52:12) \n[GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)]',
'spacy': '1.8.2',
'spacy_models': ['en', 'en_core_web_md'],
'textacy': '0.3.4'}

[bdewilde]

Thanks for the heads-up! This has been fixed in master.