fix travis build

.travis.yml

@@ -6,20 +6,21 @@ python:
   - "3.3"
   - "3.4"
   - "3.5"
+  - "3.6"
+  - "pypy-5.4.1"
   - "nightly"
 # command to install dependencies
 install:
-  - "pip install flake8 mock pytest pytest-cov python-coveralls ."
+  - "pip install --upgrade pip"
+  - "pip install flake8 python-coveralls '.[tests]'"
 # command to run tests
 script:
   - "flake8 --ignore=E501 ."
-  - "py.test --cov=itunesiap -vv tests/"
+  - "pytest --cov=itunesiap -vv tests/"
 after_success:
   - "coveralls"
   - bash <(curl -s https://codecov.io/bash) || echo "Codecov did not collect coverage reports"
 matrix:
   allow_failures:
-    - python:
-      - pypy
-      - pypy3
-      - nightly
+    - python: "2.6"
+    - python: "nightly"

itunesiap/environment.py

@@ -58,6 +58,7 @@ def extract(self):
             options[item] = getattr(self, item)
         return options
 
+
 default = Environment(use_production=True, use_sandbox=False, verify_ssl=True)
 production = Environment(use_production=True, use_sandbox=False, verify_ssl=True)
 sandbox = Environment(use_production=False, use_sandbox=True, verify_ssl=True)

itunesiap/receipt.py

@@ -111,7 +111,7 @@ class InApp(ObjectMapper):
     __WHITELIST__ = [
         'quantity', 'product_id', 'transaction_id', 'original_transaction_id', 'is_trial_period',
         'purchase_date', 'original_purchase_date', 'expires_date', 'cancellation_date',
-        'purchase_date_ms', 'original_purchase_date_ms', 'expires_date_ms', 'cancellation_date_ms', 'expires_date_formatted',]
+        'purchase_date_ms', 'original_purchase_date_ms', 'expires_date_ms', 'cancellation_date_ms', 'expires_date_formatted', ]
     __EXPORT_FILTERS__ = {
         'quantity': int,
         'is_trial_period': _to_bool,

setup.py

@@ -16,6 +16,11 @@ def get_readme():
         return ''
 
 
+tests_require = [
+    'pytest>=3.0.0', 'pytest-cov', 'tox', 'mock', 'patch',
+]
+
+
 setup(
     name='itunes-iap',
     version=get_version(),
@@ -33,9 +38,10 @@ def get_readme():
     install_requires=[
         'requests[security]', 'prettyexc>=0.6.0', 'six', 'pytz', 'python-dateutil',
     ],
-    tests_require=[
-        'pytest', 'pytest-cov', 'tox', 'mock', 'patch',
-    ],
+    tests_require=tests_require,
+    extras_require={
+        'tests': tests_require,
+    },
     classifiers=[
         'Intended Audience :: Developers',
         'Operating System :: OS Independent',
@@ -48,5 +54,6 @@ def get_readme():
         'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
     ],
 )