diff --git a/ABToast/models.py b/ABToast/models.py
index 60ee0db..8480c92 100644
--- a/ABToast/models.py
+++ b/ABToast/models.py
@@ -1,4 +1,4 @@
-from __future__ import unicode_literals
+
 
 from django.core.exceptions import ValidationError
 from django.core.urlresolvers import reverse
diff --git a/ABToast/models.py.bak b/ABToast/models.py.bak
new file mode 100644
index 0000000..60ee0db
--- /dev/null
+++ b/ABToast/models.py.bak
@@ -0,0 +1,114 @@
+from __future__ import unicode_literals
+
+from django.core.exceptions import ValidationError
+from django.core.urlresolvers import reverse
+from django.core.validators import MaxValueValidator
+from django.db import models
+from django.utils.encoding import python_2_unicode_compatible
+from django.utils import timezone
+from django.utils.translation import ugettext_lazy as _
+
+
+@python_2_unicode_compatible
+class Experiment(models.Model):
+    name = models.CharField(max_length=255, unique=True)
+    template_name = models.CharField(max_length=255, unique=True,
+                                    help_text= ("Example : '/main/signup.html'. Original Template"))
+    goal = models.CharField(max_length=255, unique=True,
+                                    help_text=_("Example : '/main/signup_complete'. The path on goal Completion"))
+    start = models.DateTimeField(blank=False, db_index=True,
+                                    help_text=_("This Test starts at the selected Date."))
+    end = models.DateTimeField(blank=False, null=True,
+                                    help_text=_("This Test ends at the selected Date."))
+    percentage = models.PositiveIntegerField(_("Traffic Percentage"), validators=[MaxValueValidator(100), ], default=50,
+                                    help_text=_("Percentage of traffic to redirect to Variant B"))
+    cancelled = models.BooleanField(_("Cancelled"), default=False)
+    created = models.DateTimeField(_("Creation Date and Time"), auto_now_add=True)
+    updated = models.DateTimeField(_("Last Update Date and Time"), auto_now=True)
+
+    class Meta:
+        verbose_name = _("Experiment")
+        verbose_name_plural = _("Experiments")
+
+    def __str__(self):
+        return self.name
+
+    def get_experiment_key(self):
+        return "ab_exp_key_%s" % self.name
+
+    @property
+    def is_active(self):
+        return (
+            not self.cancelled and
+            self.start <= timezone.now() < self.end
+        )
+
+    def get_status(self):
+        '''
+            Returns the Experiment Status based on the Start Date and End Date
+        '''
+        today = timezone.now()
+        if self.start > today or self.end < today:
+            active = False
+        else:
+            active = True
+        return active
+
+    def get_updated_traffic(self):
+        '''
+            Returns the updated network traffic percentage
+            for the first Test of the current Experiment
+        '''
+        test_1, test_2 = self.test_set.all()
+        try:
+            test_1_ratio = float(test_1.conversions) / test_1.hits
+            test_2_ratio = float(test_2.conversions) / test_2.hits
+            updated_traffic = int(test_2_ratio*100/(test_1_ratio+test_2_ratio))
+            return updated_traffic
+        except ZeroDivisionError:
+            return 50
+
+    def get_absolute_url(self):
+        return reverse(
+            "experiment_details", kwargs={
+                    "experiment_id": str(self.pk)
+                }
+        )
+
+
+@python_2_unicode_compatible
+class Test(models.Model):
+    experiment = models.ForeignKey(Experiment)
+    template_name = models.CharField(max_length=255, unique=True,
+                    help_text=_(
+                        "Example : '/main/signup1.html'. Template to be Tested"
+                            ))
+    hits = models.PositiveIntegerField(blank=True, default=0,
+                    help_text=_(
+                        "# Uniques who have seen this test."
+                            ))
+    conversions = models.PositiveIntegerField(blank=True, default=0,
+                    help_text=_(
+                        "# Uniques that have reached the goal from this test."
+                            ))
+
+    class Meta:
+        verbose_name = _("Test")
+        verbose_name_plural = _("Tests")
+
+    def __str__(self):
+        return self.template_name
+
+    def save(self, *args, **kwargs):
+        tests = Test.objects.filter(experiment=self.experiment).count()
+        try:
+            current_test = Test.objects.get(id=self.pk)
+            super(Test, self).save(*args, **kwargs)
+        except:
+            pass
+            if tests < 2:
+                super(Test, self).save(*args, **kwargs)
+            else:
+                raise ValidationError(
+                    "can only create 2 Tests currently for a single Experiment"
+                        )
diff --git a/ABToast/urls.py b/ABToast/urls.py
index 93f71e5..feb0005 100644
--- a/ABToast/urls.py
+++ b/ABToast/urls.py
@@ -1,6 +1,6 @@
 from django.conf.urls import url
 
-import views
+from . import views
 
 urlpatterns = [
     url(r'experiment_details/(?P<experiment_id>\d+)', views.details, name="experiment_details"),
diff --git a/ABToast/urls.py.bak b/ABToast/urls.py.bak
new file mode 100644
index 0000000..93f71e5
--- /dev/null
+++ b/ABToast/urls.py.bak
@@ -0,0 +1,7 @@
+from django.conf.urls import url
+
+import views
+
+urlpatterns = [
+    url(r'experiment_details/(?P<experiment_id>\d+)', views.details, name="experiment_details"),
+               ]