code: def run(cls):
          
          project = __import__(IMPORT, fromlist=[''])
          for expected, var in [('@Robpol86', '__author__'), (LICENSE, '__license__'), (VERSION, '__version__')]:
              if getattr(project, var) != expected:
                  raise SystemExit('Mismatch: {0}'.format(var))
          # Check changelog.
          if not re.compile(r'^%s - \d{4}-\d{2}-\d{2}[\r\n]' % VERSION, re.MULTILINE).search(readme()):
              raise SystemExit('Version not found in readme/changelog file.')
          # Check tox.
          if INSTALL_REQUIRES:
              contents = readme('tox.ini')
              section = re.compile(r'[\r\n]+install_requires =[\r\n]+(.+?)[\r\n]+\w', re.DOTALL).findall(contents)
              if not section:
                  raise SystemExit('Missing install_requires section in tox.ini.')
              in_tox = re.findall(r'    ([^=]+)==[\w\d.-]+', section[0])
              if INSTALL_REQUIRES != in_tox:
                  raise SystemExit('Missing/unordered pinned dependencies in tox.ini.')
docs: Check variables.