Merge branch 'master' into cacheing

Author: Martin Durant

.travis.yml

@@ -35,7 +35,7 @@ install:
   - conda create -n test -c conda-forge python=$TRAVIS_PYTHON_VERSION pip
   - source activate test
   - conda install requests pytest paramiko pyftpdlib cloudpickle pyarrow -y -c defaults -c conda-forge
-  - pip install git+https://github.com/jcrist/hadoop-test-cluster.git
+  - pip install hadoop-test-cluster==0.1.0
 
 script:
   - py.test -v --pyargs fsspec

fsspec/implementations/tests/test_local.py

@@ -150,6 +150,9 @@ def test_open_files_text_mode(encoding):
 @pytest.mark.parametrize('mode', ['rt', 'rb'])
 @pytest.mark.parametrize('fmt', list(compression.compr))
 def test_compressions(fmt, mode, tmpdir):
+    if fmt == 'zip':
+        # zip implemented read-only
+        pytest.skip()
     fn = os.path.join(tmpdir, '.tmp.getsize')
     fs = LocalFileSystem()
     f = OpenFile(fs, fn, compression=fmt, mode='wb')