Use LooseVersion rather than StrictVersion (#1312)

LooseVersion plays nicer when development versions of other libraries (e.g., dask) are installed.
pydata · Mar 16, 2017 · 31b46dc · 31b46dc
1 parent 57776ab
commit 31b46dc
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/xarray/backends/api.py b/xarray/backends/api.py
@@ -3,7 +3,7 @@
 from __future__ import print_function
 import gzip
 import os.path
-from distutils.version import StrictVersion
+from distutils.version import LooseVersion
 from glob import glob
 from io import BytesIO
 from numbers import Number
@@ -230,7 +230,7 @@ def maybe_decode_store(store, lock=False):
             except ImportError:
                 # raise the usual error if dask is entirely missing
                 import dask
-                if StrictVersion(dask.__version__) < StrictVersion('0.6'):
+                if LooseVersion(dask.__version__) < LooseVersion('0.6'):
                     raise ImportError(
                         'xarray requires dask version 0.6 or newer')
                 else:

diff --git a/xarray/backends/common.py b/xarray/backends/common.py
@@ -6,7 +6,7 @@
 import time
 import traceback
 from collections import Mapping
-from distutils.version import StrictVersion
+from distutils.version import LooseVersion
 
 from ..conventions import cf_encoder
 from ..core.utils import FrozenOrderedDict
@@ -164,7 +164,7 @@ def sync(self):
         if self.sources:
             import dask.array as da
             import dask
-            if StrictVersion(dask.__version__) > StrictVersion('0.8.1'):
+            if LooseVersion(dask.__version__) > LooseVersion('0.8.1'):
                 da.store(self.sources, self.targets, lock=GLOBAL_LOCK)
             else:
                 da.store(self.sources, self.targets)