SyntaxError: Generator expression must be parenthesized

[Rijo-Roy]

C:\Users\RIJO\Desktop\ecop-master\ecop-master\ecop>python manage.py runserver

Unhandled exception in thread started by <function check_errors..wrapper at 0x000001821BCF1D38>
Traceback (most recent call last):
File "C:\Users\RIJO\AppData\Local\Programs\Python\Python37\lib\site-packages\django\utils\autoreload.py", line 228, in wrapper
fn(args, **kwargs)
File "C:\Users\RIJO\AppData\Local\Programs\Python\Python37\lib\site-packages\django\core\management\commands\runserver .py", line 117, in inner_run
autoreload.raise_last_exception()
File "C:\Users\RIJO\AppData\Local\Programs\Python\Python37\lib\site-packages\django\utils\autoreload.py", line 251, in raise_last_exception
six.reraise(exception)
File "C:\Users\RIJO\AppData\Local\Programs\Python\Python37\lib\site-packages\django\utils\six.py", line 685, in rerais e
raise value.with_traceback(tb)
File "C:\Users\RIJO\AppData\Local\Programs\Python\Python37\lib\site-packages\django\utils\autoreload.py", line 228, in wrapper
fn(*args, **kwargs)
File "C:\Users\RIJO\AppData\Local\Programs\Python\Python37\lib\site-packages\django_init.py", line 27, in setup
apps.populate(settings.INSTALLED_APPS)
File "C:\Users\RIJO\AppData\Local\Programs\Python\Python37\lib\site-packages\django\apps\registry.py", line 85, in pop ulate
app_config = AppConfig.create(entry)
File "C:\Users\RIJO\AppData\Local\Programs\Python\Python37\lib\site-packages\django\apps\config.py", line 94, in creat e
module = import_module(entry)
File "C:\Users\RIJO\AppData\Local\Programs\Python\Python37\lib\importlib_init_.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "", line 1006, in _gcd_import
File "", line 983, in _find_and_load
File "", line 967, in _find_and_load_unlocked
File "", line 677, in _load_unlocked
File "", line 728, in exec_module
File "", line 219, in call_with_frames_removed
File "C:\Users\RIJO\AppData\Local\Programs\Python\Python37\lib\site-packages\django\contrib\admin_init.py", line 4 , in
from django.contrib.admin.filters import (
File "C:\Users\RIJO\AppData\Local\Programs\Python\Python37\lib\site-packages\django\contrib\admin\filters.py", line 10 , in
from django.contrib.admin.options import IncorrectLookupParameters
File "C:\Users\RIJO\AppData\Local\Programs\Python\Python37\lib\site-packages\django\contrib\admin\options.py", line 12 , in
from django.contrib.admin import helpers, widgets
File "C:\Users\RIJO\AppData\Local\Programs\Python\Python37\lib\site-packages\django\contrib\admin\widgets.py", line 15 1
'%s=%s' % (k, v) for k, v in params.items(),
^
SyntaxError: Generator expression must be parenthesized