Lower test tolerance for pgf tests

jenshnielsen · jenshnielsen · commit fa16041e650c · 2016-02-09T07:30:54.000Z
diff --git a/lib/matplotlib/tests/test_backend_pgf.py b/lib/matplotlib/tests/test_backend_pgf.py
@@ -47,7 +47,7 @@ def compare_figure(fname, savefig_kwargs={}):
 
     expected = os.path.join(result_dir, "expected_%s" % fname)
     shutil.copyfile(os.path.join(baseline_dir, fname), expected)
-    err = compare_images(expected, actual, tol=14)
+    err = compare_images(expected, actual, tol=0)
     if err:
         raise ImageComparisonFailure('images not close: %s vs. '
                                      '%s' % (actual, expected))
