bug fixes

oj/local_settings.py

@@ -5,8 +5,12 @@ BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
 DATABASES = {
     'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+        'ENGINE': 'django.db.backends.postgresql_psycopg2',
+        'HOST': '127.0.0.1',
+        'PORT': 5433,
+        'NAME': "onlinejudge",
+        'USER': "onlinejudge",
+        'PASSWORD': 'onlinejudge'
     }
 }