mkdirs throws OSError

jkseppan · jkseppan · commit f8636217c7df · 2017-02-18T18:12:23.000+02:00
diff --git a/lib/matplotlib/testing/_conversion_cache.py b/lib/matplotlib/testing/_conversion_cache.py
@@ -191,7 +191,7 @@ def ensure_cache_dir(self):
         if not os.path.exists(self.cachedir):
             try:
                 cbook.mkdirs(self.cachedir)
-            except IOError as e:
+            except OSError as e:
                 raise _CacheError("Error creating cache directory %s: %s"
                                   % (self.cachedir, str(e)))
         if not os.access(self.cachedir, os.W_OK):
diff --git a/lib/matplotlib/tests/test_cache.py b/lib/matplotlib/tests/test_cache.py
@@ -103,7 +103,7 @@ def test_cache_default_dir():
 
 @raises(_CacheError)
 @mock.patch('matplotlib.testing._conversion_cache.cbook.mkdirs',
-            side_effect=IOError)
+            side_effect=OSError)
 def test_cache_mkdir_error(mkdirs):
     tmpdir = tempfile.mkdtemp()
     try:
