Squigly brackets in filename cause an error about statusbarextended HOT 5 OPEN

Traceback (most recent call last):
  File "urllib\request.py", line 1318, in do_open
  File "http\client.py", line 1239, in request
  File "http\client.py", line 1285, in _send_request
  File "http\client.py", line 1234, in endheaders
  File "http\client.py", line 1026, in _send_output
  File "http\client.py", line 964, in send
  File "http\client.py", line 1392, in connect
  File "http\client.py", line 936, in connect
  File "socket.py", line 704, in create_connection
  File "socket.py", line 745, in getaddrinfo
socket.gaierror: [Errno 11001] getaddrinfo failed

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\ahayun\AppData\Local\fman\Versions\1.7.3\Plugins\Core\core\github.py", line 76, in _get
    return urlopen(url).read()
  File "urllib\request.py", line 223, in urlopen
  File "urllib\request.py", line 532, in open
  File "urllib\request.py", line 642, in http_response
  File "urllib\request.py", line 564, in error
  File "urllib\request.py", line 504, in _call_chain
  File "urllib\request.py", line 756, in http_error_302
  File "urllib\request.py", line 526, in open
  File "urllib\request.py", line 544, in _open
  File "urllib\request.py", line 504, in _call_chain
  File "urllib\request.py", line 1361, in https_open
  File "urllib\request.py", line 1320, in do_open
urllib.error.URLError: <urlopen error [Errno 11001] getaddrinfo failed>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "lib\site-packages\urllib3\connection.py", line 159, in _new_conn
  File "lib\site-packages\urllib3\util\connection.py", line 57, in create_connection
  File "socket.py", line 745, in getaddrinfo
socket.gaierror: [Errno 11001] getaddrinfo failed

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "lib\site-packages\urllib3\connectionpool.py", line 600, in urlopen
  File "lib\site-packages\urllib3\connectionpool.py", line 343, in _make_request
  File "lib\site-packages\urllib3\connectionpool.py", line 839, in _validate_conn```