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In [7]: from exercises_app.models import Album, Band --------------------------------------------------------------------------- ImproperlyConfigured Traceback (most recent call last) Cell In[7], line 1 ----> 1 from exercises_app.models import Album, Band File ~/Pulpit/Coders Lab/zadania/Blok 2/ONL_PYT_W_29_podstawy_django/project/exercises_app/models.py:16 3 GENRE = ( 4 (-1, "not defined"), 5 (0, "rock"), (...) 11 (6, "other") 12 ) 15 # Create your models here. ---> 16 class Band(models.Model): 17 name = models.CharField(max_length=64) 18 year = models.IntegerField(null=True) File ~/Pulpit/Coders Lab/zadania/Blok 2/ONL_PYT_W_29_podstawy_django/project/venvzad/lib/python3.10/site-packages/django/db/models/base.py:108, in ModelBase.__new__(cls, name, bases, attrs, **kwargs) 105 app_label = None 107 # Look for an application configuration to attach the model to. --> 108 app_config = apps.get_containing_app_config(module) 110 if getattr(meta, 'app_label', None) is None: 111 if app_config is None: File ~/Pulpit/Coders Lab/zadania/Blok 2/ONL_PYT_W_29_podstawy_django/project/venvzad/lib/python3.10/site-packages/django/apps/registry.py:253, in Apps.get_containing_app_config(self, object_name) 244 def get_containing_app_config(self, object_name): 245 """ 246 Look for an app config containing a given object. 247 (...) 251 Return None if the object isn't in any registered app config. 252 """ --> 253 self.check_apps_ready() 254 candidates = [] 255 for app_config in self.app_configs.values(): File ~/Pulpit/Coders Lab/zadania/Blok 2/ONL_PYT_W_29_podstawy_django/project/venvzad/lib/python3.10/site-packages/django/apps/registry.py:135, in Apps.check_apps_ready(self) 130 from django.conf import settings 132 # If "not ready" is due to unconfigured settings, accessing 133 # INSTALLED_APPS raises a more helpful ImproperlyConfigured 134 # exception. --> 135 settings.INSTALLED_APPS 136 raise AppRegistryNotReady("Apps aren't loaded yet.") File ~/Pulpit/Coders Lab/zadania/Blok 2/ONL_PYT_W_29_podstawy_django/project/venvzad/lib/python3.10/site-packages/django/conf/__init__.py:84, in LazySettings.__getattr__(self, name) 82 """Return the value of a setting and cache it in self.__dict__.""" 83 if self._wrapped is empty: ---> 84 self._setup(name) 85 val = getattr(self._wrapped, name) 87 # Special case some settings which require further modification. 88 # This is done here for performance reasons so the modified value is cached. File ~/Pulpit/Coders Lab/zadania/Blok 2/ONL_PYT_W_29_podstawy_django/project/venvzad/lib/python3.10/site-packages/django/conf/__init__.py:65, in LazySettings._setup(self, name) 63 if not settings_module: 64 desc = ("setting %s" % name) if name else "settings" ---> 65 raise ImproperlyConfigured( 66 "Requested %s, but settings are not configured. " 67 "You must either define the environment variable %s " 68 "or call settings.configure() before accessing settings." 69 % (desc, ENVIRONMENT_VARIABLE)) 71 self._wrapped = Settings(settings_module) ImproperlyConfigured: Requested setting INSTALLED_APPS, but settings are not configured. You must either define the environment variable DJANGO_SETTINGS_MODULE or call settings.configure() before accessing settings.