From b361e144d4a420125757237c26539e1d59b71d03 Mon Sep 17 00:00:00 2001
From: Brett Naul <brettnaul@gmail.com>
Date: Wed, 12 Oct 2016 12:24:43 -0700
Subject: [PATCH] Add python2.7 to build matrix and restore python2-compatible
 syntax

---
 .drone/travis_install.sh | 3 ++-
 .travis.yml              | 7 ++++++-
 cesium/featureset.py     | 6 +++---
 cesium/time_series.py    | 2 +-
 cesium/version.py        | 2 +-
 5 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/.drone/travis_install.sh b/.drone/travis_install.sh
index 04525a71..c08914d9 100755
--- a/.drone/travis_install.sh
+++ b/.drone/travis_install.sh
@@ -3,7 +3,8 @@
 set -ex
 
 section "create.virtualenv"
-python${TRAVIS_PYTHON_VERSION} -m venv ~/envs/cesium
+#python -m venv ~/envs/cesium
+virtualenv -p python ~/envs/cesium
 source ~/envs/cesium/bin/activate
 section_end "create.virtualenv"
 
diff --git a/.travis.yml b/.travis.yml
index f05983e3..814ac95f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -70,9 +70,14 @@ notifications:
 
 matrix:
   include:
+    - python: 2.7
+      env:
+        - TEST_TARGET=test
+    - python: 3.4
+      env:
+        - TEST_TARGET=test
     - python: 3.5
       env:
-        - WITH_DOC=1
         - TEST_TARGET=test
 
 before_install:
diff --git a/cesium/featureset.py b/cesium/featureset.py
index b0c549b4..d3e00815 100644
--- a/cesium/featureset.py
+++ b/cesium/featureset.py
@@ -81,9 +81,9 @@ def __getitem__(self, key):
         if (isinstance(key, (slice, int))
             or (hasattr(key, '__iter__') and all(isinstance(el, int)
                                                  for el in key))):
-            return super().isel(name=key)
+            return xr.Dataset.isel(self, name=key)
         elif ((hasattr(key, '__iter__') and all(el in names for el in key)) or
               key in names):
-            return super().sel(name=key)
+            return xr.Dataset.sel(self, name=key)
         else:
-            return super().__getitem__(key)
+            return xr.Dataset.__getitem__(self, key)
diff --git a/cesium/time_series.py b/cesium/time_series.py
index 3f6b04e0..e0dc12be 100644
--- a/cesium/time_series.py
+++ b/cesium/time_series.py
@@ -116,7 +116,7 @@ def from_netcdf(netcdf_path):
     return TimeSeries(t, m, e, target, meta_features, name, path)
 
 
-class TimeSeries:
+class TimeSeries(object):
     """Class representing a single time series of measurements and metadata.
     
     A `TimeSeries` object encapsulates a single set of time-domain
diff --git a/cesium/version.py b/cesium/version.py
index ee7481da..cef2b624 100644
--- a/cesium/version.py
+++ b/cesium/version.py
@@ -1 +1 @@
-version='0.6.5'
+version='0.6.6'