Fix pylint warning

Author: satyam-seth

core/admin.py

@@ -1,3 +0,0 @@
-from django.contrib import admin
-
-# Register your models here.

core/apps.py

@@ -2,5 +2,7 @@
 
 
 class CoreConfig(AppConfig):
+    """Core app config"""
+
     default_auto_field = "django.db.models.BigAutoField"
     name = "core"

core/tests.py

@@ -1,5 +1,3 @@
-from datetime import date
-
 from django.test import TestCase
 
 from .models import Student
@@ -8,6 +6,8 @@
 
 
 class StudentModelTest(TestCase):
+    """Student model test"""
+
     def setUp(self):
         self.student = Student.objects.create(
             first_name="John",

core/views.py

@@ -1,3 +0,0 @@
-from django.shortcuts import render
-
-# Create your views here.