diff --git a/.travis.yml b/.travis.yml
index cd82a6f8f..bab5584df 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,9 @@ python:
   - "2.7"
   - "3.4"
 
+env:
+  secure: "KTU56Bhft39FhFnV80Ek+Ht8nwAAJWlLAN104bALBzQWVraoD/znx0gQnoS+YQDjzxgpj30UKBua/o8q1IrvkjxJb8yUBzpS0P1jcGwqmpVRoNdb3pQPk8R7fB9pTFiaJUQbdQJ2/xTrB/T9Kda0J1zq81LC1zSOxAxUL47UI50="
+
 before_install:
   - sudo apt-get install -q libatlas3gf-base libatlas-dev liblapack-dev gfortran
 
diff --git a/openml/apiconnector.py b/openml/apiconnector.py
index a5d2308ea..2f7385040 100644
--- a/openml/apiconnector.py
+++ b/openml/apiconnector.py
@@ -947,7 +947,6 @@ def _create_run_from_xml(self, xml):
             url = file_[u"oml:url"]
             files[name] = url
 
-        print dic.keys()
         evaluations = dict()
         for evaluation in dic[u"oml:output_data"][u"oml:evaluation"]:
             name = evaluation[u"oml:name"]
@@ -994,7 +993,7 @@ def _read_url(self, url, add_authentication=False, data=None, filePath=None):
     def _read_url(self, url, data=None, file_path=None):
         if data is None:
             data = {}
-        data['session_hash'] = self.config.get('FAKE_SECTION', 'apikey')
+        data['api_key'] = self.config.get('FAKE_SECTION', 'apikey')
 
         if file_path is not None:
             if os.path.isabs(file_path):
@@ -1009,8 +1008,8 @@ def _read_url(self, url, data=None, file_path=None):
 
                 try:
                     response = requests.post(url, data=data, files=fileElement)
-                except URLError, error:
-                    print error
+                except URLError as error:
+                    print(error)
 
                 return response.status_code, response
             else:
diff --git a/openml/entities/dataset.py b/openml/entities/dataset.py
index 459bb346a..977129423 100644
--- a/openml/entities/dataset.py
+++ b/openml/entities/dataset.py
@@ -81,7 +81,7 @@ def __init__(self, id, name, version, description, format, creator,
             else:
                 raise Exception()
 
-            with open(self.data_pickle_file, "w") as fh:
+            with open(self.data_pickle_file, "wb") as fh:
                 pickle.dump((X, categorical, attribute_names), fh, -1)
             logger.debug("Saved dataset %d: %s to file %s" %
                          (self.id, self.name, self.data_pickle_file))
diff --git a/setup.py b/setup.py
index a45438b30..4c1213f2c 100644
--- a/setup.py
+++ b/setup.py
@@ -16,7 +16,8 @@
                                    "scipy>=0.13.3",
                                    "xmltodict",
                                    "nose",
-                                   "numpydoc"],
+                                   "numpydoc",
+                                   "requests"],
                  test_suite="nose.collector",
                  classifiers=['Intended Audience :: Science/Research',
                               'Intended Audience :: Developers',
diff --git a/tests/test_apiconnector.py b/tests/test_apiconnector.py
index 33956c81b..2ab976bf8 100644
--- a/tests/test_apiconnector.py
+++ b/tests/test_apiconnector.py
@@ -27,11 +27,6 @@ class TestAPIConnector(unittest.TestCase):
     """
 
     def setUp(self):
-        config_file = os.path.expanduser('~/.openml/config')
-        if not os.path.exists(config_file):
-            raise Exception("OpenML config file required to run unit tests. "
-                            "See https://github.com/openml/OpenML/wiki/Client-API")
-
         self.cwd = os.getcwd()
         workdir = os.path.dirname(os.path.abspath(__file__))
         self.workdir = os.path.join(workdir, "tmp")
@@ -44,8 +39,13 @@ def setUp(self):
         os.chdir(self.workdir)
 
         self.cached = True
+
+        try:
+            apikey = os.environ['OPENMLAPIKEY']
+        except:
+            apikey = None
         self.connector = APIConnector(cache_directory=self.workdir,
-                                      apikey='test')
+                                      apikey=apikey)
 
     def tearDown(self):
         os.chdir(self.cwd)
@@ -66,7 +66,7 @@ def test_get_cached_datasets(self):
         datasets = connector.get_cached_datasets()
         self.assertIsInstance(datasets, dict)
         self.assertEqual(len(datasets), 2)
-        self.assertIsInstance(datasets.values()[0], OpenMLDataset)
+        self.assertIsInstance(list(datasets.values())[0], OpenMLDataset)
 
     def test_get_cached_dataset(self):
         workdir = os.path.dirname(os.path.abspath(__file__))