FIX: Enigma DataReader failling under Python 3.5 (#256)

Author: femtotrader

.travis.yml

@@ -40,6 +40,7 @@ install:
   - python setup.py install
 
 script:
+    - export ENIGMA_API_KEY=$ENIGMA_API_KEY
     - nosetests -v --with-coverage --cover-package=pandas_datareader
     - flake8 --ignore E501 pandas_datareader
 

pandas_datareader/enigma.py

@@ -95,5 +95,5 @@ def extract_export_url(self, delay=10, max_attempts=10):
 
     def read(self):
         export_gzipped_req = self._request(self.extract_export_url())
-        decompressed_data = self._decompress_export(export_gzipped_req.content)
+        decompressed_data = self._decompress_export(export_gzipped_req.content).decode("utf-8")
         return pd.read_csv(StringIO(decompressed_data))

pandas_datareader/tests/test_enigma.py

@@ -19,36 +19,33 @@ def setUpClass(cls):
         super(TestEnigma, cls).setUpClass()
         _skip_if_no_lxml()
 
-    def setUp(self):
-        raise nose.SkipTest()
+    def test_enigma_datareader(self):
+        try:
+            df = web.DataReader('enigma.inspections.restaurants.fl',
+                                'enigma', access_key=TEST_API_KEY)
+            self.assertTrue('serialid' in df.columns)
+        except HTTPError as e:  # pragma: no cover
+            raise nose.SkipTest(e)
 
-    def test_enigma(self):
-        self.assertTrue('serialid' in list(
-            web.DataReader('enigma.inspections.restaurants.fl',
-                           'enigma',
-                           access_key=TEST_API_KEY).columns))
-        self.assertTrue('serialid' in list(pdr.get_data_enigma(
-            'enigma.inspections.restaurants.fl', TEST_API_KEY)))
+    def test_enigma_get_data_enigma(self):
+        try:
+            df = pdr.get_data_enigma(
+                'enigma.inspections.restaurants.fl', TEST_API_KEY)
+            self.assertTrue('serialid' in df.columns)
+        except HTTPError as e:  # pragma: no cover
+            raise nose.SkipTest(e)
 
     def test_bad_key(self):
-        _exception = None
-        try:
+        with tm.assertRaises(HTTPError):
             web.DataReader('enigma.inspections.restaurants.fl',
                            'enigma',
                            access_key=TEST_API_KEY + 'xxx')
-        except HTTPError as e:
-            _exception = e
-        assert isinstance(_exception, HTTPError)
 
     def test_bad_url(self):
-        _exception = None
-        try:
+        with tm.assertRaises(HTTPError):
             web.DataReader('enigma.inspections.restaurants.fllzzy',
                            'enigma',
                            access_key=TEST_API_KEY)
-        except Exception as e:
-            _exception = e
-        assert isinstance(_exception, HTTPError)
 
 
 if __name__ == '__main__':