Jira-13 sonar fixes

zod_bank/guardian/admin.py

@@ -1,9 +1,14 @@
+"""Guardian admin"""
+"""Third party Django app"""
 from django.contrib import admin
+"""Import Django app"""
 from .models import Guardian
 # Register your models here.
 @admin.register(Guardian)
 class GuardianAdmin(admin.ModelAdmin):
+    """Junior Admin"""
     list_display = ['user', 'family_name']
 
     def __str__(self):
-        return self.user__email
+        """Return email id"""
+        return self.user__email