"AttributeError: 'NoneType' object has no attribute 'find'" #3

[*] Dork: streamer.php?id=
[i] Starting daemon threads ...
Exception in thread Thread-3:
Traceback (most recent call last):
  File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.6/threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File "/content/SQL-scanner/lib/search.py", line 77, in start
    self.find_links()
  File "/content/SQL-scanner/lib/search.py", line 51, in find_links
    a = r.find('h2', first=True).find('a', first=True)
AttributeError: 'NoneType' object has no attribute 'find'