Fix some minor open-without-context.

QuLogic · QuLogic · commit d04b97d4da68 · 2016-10-24T21:23:48.000-04:00
diff --git a/lib/matplotlib/afm.py b/lib/matplotlib/afm.py
@@ -19,7 +19,8 @@
     ...                         'fonts', 'afm', 'ptmr8a.afm')
     >>>
     >>> from matplotlib.afm import AFM
-    >>> afm = AFM(open(afm_fname))
+    >>> with open(afm_fname) as fh:
+    ...     afm = AFM(fh)
     >>> afm.string_width_height('What the heck?')
     (6220.0, 694)
     >>> afm.get_fontname()
diff --git a/lib/matplotlib/animation.py b/lib/matplotlib/animation.py
@@ -413,10 +413,9 @@ def grab_frame(self, **savefig_kwargs):
         try:
             # Tell the figure to save its data to the sink, using the
             # frame format and dpi.
-            myframesink = self._frame_sink()
-            self.fig.savefig(myframesink, format=self.frame_format,
-                             dpi=self.dpi, **savefig_kwargs)
-            myframesink.close()
+            with self._frame_sink() as myframesink:
+                self.fig.savefig(myframesink, format=self.frame_format,
+                                 dpi=self.dpi, **savefig_kwargs)
 
         except RuntimeError:
             out, err = self._proc.communicate()
diff --git a/lib/matplotlib/tests/test_type1font.py b/lib/matplotlib/tests/test_type1font.py
@@ -14,7 +14,8 @@ def test_Type1Font():
     font = t1f.Type1Font(filename)
     slanted = font.transform({'slant': 1})
     condensed = font.transform({'extend': 0.5})
-    rawdata = open(filename, 'rb').read()
+    with open(filename, 'rb') as fd:
+        rawdata = fd.read()
     assert_equal(font.parts[0], rawdata[0x0006:0x10c5])
     assert_equal(font.parts[1], rawdata[0x10cb:0x897f])
     assert_equal(font.parts[2], rawdata[0x8985:0x8ba6])
