KeyError: 'langlinks'

[kercos]

Hi,

looks like there is an KeyError when trying to access langlinks from a page without external links to other languages.

import wikipediaapi
wiki_wiki = wikipediaapi.Wikipedia('it')
page_py = wiki_wiki.page('ago_crinale')
page_py = wiki_wiki.page('ago_crinale')
page_py.exists()
# True
langlinks = page_py.langlinks

I get:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/wikipediaapi/__init__.py", line 949, in langlinks
    self._fetch('langlinks')
  File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/wikipediaapi/__init__.py", line 1017, in _fetch
    getattr(self.wiki, '_' + call)(self)
  File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/wikipediaapi/__init__.py", line 322, in _langlinks
    return self._build_langlinks(v, page)
  File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/wikipediaapi/__init__.py", line 561, in _build_langlinks
    for langlink in extract['langlinks']:
KeyError: 'langlinks'

[martin-majlis]

Thanks for reporting. It is fixed and released in new version 0.4.5.