Traceback (most recent call last):
  File "/usr/lib/python3.6/http/client.py", line 986, in send
    self.sock.sendall(data)
  File "/usr/lib/python3.6/ssl.py", line 972, in sendall
    with memoryview(data) as view, view.cast("B") as byte_view:
TypeError: memoryview: a bytes-like object is required, not 'str'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/christian/PycharmProjects/untitled/31.10.py", line 9, in <module>
    r = requests.get('https://domgymnasium-verden.de/iserv/login_check', data = {"_username=" + account + "&_password=" + password})
  File "/usr/lib/python3/dist-packages/requests/api.py", line 72, in get
    return request('get', url, params=params, **kwargs)
  File "/usr/lib/python3/dist-packages/requests/api.py", line 58, in request
    return session.request(method=method, url=url, **kwargs)
  File "/usr/lib/python3/dist-packages/requests/sessions.py", line 520, in request
    resp = self.send(prep, **send_kwargs)
  File "/usr/lib/python3/dist-packages/requests/sessions.py", line 630, in send
    r = adapter.send(request, **kwargs)
  File "/usr/lib/python3/dist-packages/requests/adapters.py", line 440, in send
    timeout=timeout
  File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 601, in urlopen
    chunked=chunked)
  File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 357, in _make_request
    conn.request(method, url, **httplib_request_kw)
  File "/usr/lib/python3.6/http/client.py", line 1239, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/usr/lib/python3.6/http/client.py", line 1285, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/usr/lib/python3.6/http/client.py", line 1234, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/usr/lib/python3.6/http/client.py", line 1065, in _send_output
    self.send(chunk)
  File "/usr/lib/python3.6/http/client.py", line 990, in send
    self.sock.sendall(d)
  File "/usr/lib/python3.6/ssl.py", line 972, in sendall
    with memoryview(data) as view, view.cast("B") as byte_view:
TypeError: memoryview: a bytes-like object is required, not 'str'