Fix bug with empty instructors

setup.py

@@ -16,12 +16,12 @@
  'uoftscrapers.scrapers.scraper',
  'uoftscrapers.scrapers.scraper.layers'
  ],
- version = '0.2.1',
+ version = '0.2.2',
  description = 'University of Toronto public web scraping scripts.',
  author = 'Qasim Iqbal',
  author_email = 'me@qas.im',
  url = 'https://github.com/cobalt-io/uoft-scrapers',
- download_url = 'https://github.com/cobalt-io/uoft-scrapers/tarball/0.2.1',
+ download_url = 'https://github.com/cobalt-io/uoft-scrapers/tarball/0.2.2',
  package_data={'': ['LICENSE.md']},
  package_dir={'uoftscrapers': 'uoftscrapers'},
  include_package_data=True,

uoftscrapers/scrapers/textbooks/__init__.py

@@ -275,12 +275,17 @@ def retrieve_books(section):
  instructor = section['section_instructor'].split(',')
  if len(instructor) == 2:
  instructor = '%s %s' % (instructor[0][:1], instructor[1].strip())
+ instructor = instructor.strip()
  else:
- instructor = None
+ instructor = ''
+
+ instructors = [instructor]
+ if len(instructor) == 0:
+ instructors = []
 
  meeting_sections = [OrderedDict([
  ("code", section['section_code']),
- ("instructors", [instructor])
+ ("instructors", instructors)
  ])]
 
  course_id = '%s%s' % (section['course_code'], section['session'])