makes all imports relative and changes unittest running method

.gitignore

@@ -6,3 +6,4 @@ dist/
 python_rest_client.egg-info/*
 rest_client.egg-info/*
 python_rest_model.egg-info/
+.coverage

circle.yml

@@ -3,4 +3,4 @@ machine:
     version: 3.4.3
 test:
   override:
-    - python rest_model/tests.py
+    - python -m unittest discover -t .

rest_model/meta_classes.py

@@ -3,10 +3,8 @@
 Meta Classes:
 RestModelMeta -- create rest-model classes.
 """
-try:
-    from .primitives import Typed
-except SystemError:
-    from primitives import Typed
+from .primitives import Typed
+
 import json
 import requests
 

rest_model/models.py

@@ -1,10 +1,6 @@
 """Contain Fields to be used by user code."""
-try:
-    from .meta_classes import RestModelMeta
-    from .primitives import Integer, Positive, String, Float, List
-except SystemError:
-    from meta_classes import RestModelMeta
-    from primitives import Integer, Positive, String, Float, List
+from .meta_classes import RestModelMeta
+from .primitives import Integer, Positive, String, Float, List
 
 
 class RestModel(metaclass=RestModelMeta):

rest_model/tests.py

@@ -2,15 +2,16 @@
 from unittest.mock import patch
 import unittest
 import json
-import models
+from .models import RestModel, StringField, PositiveFloatField, \
+    PositiveIntegerField
 
 
-class Stock(models.RestModel):
+class Stock(RestModel):
     """Implement Rest model."""
 
-    name = models.StringField()
-    shares = models.PositiveIntegerField()
-    price = models.PositiveFloatField()
+    name = StringField()
+    shares = PositiveIntegerField()
+    price = PositiveFloatField()
 
     class Meta:
         """Associate actions with endpoints."""
@@ -21,12 +22,12 @@ class Meta:
         get = "http://shangri-la/stocks/"
 
 
-class Student(models.RestModel):
+class Student(RestModel):
     """Implement Rest model."""
 
-    name = models.StringField()
-    age = models.PositiveIntegerField()
-    gpa = models.PositiveFloatField()
+    name = StringField()
+    age = PositiveIntegerField()
+    gpa = PositiveFloatField()
 
     class Meta:
         """Associate actions with endpoints."""