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-rw-r--r--sphinx/ext/pngmath.py8
1 files changed, 4 insertions, 4 deletions
diff --git a/sphinx/ext/pngmath.py b/sphinx/ext/pngmath.py
index e23bbd06f..c87c9a9c1 100644
--- a/sphinx/ext/pngmath.py
+++ b/sphinx/ext/pngmath.py
@@ -123,7 +123,7 @@ def render_math(self, math):
try:
try:
p = Popen(ltx_args, stdout=PIPE, stderr=PIPE)
- except OSError, err:
+ except OSError as err:
if err.errno != ENOENT: # No such file or directory
raise
self.builder.warn('LaTeX command %r cannot be run (needed for math '
@@ -150,7 +150,7 @@ def render_math(self, math):
dvipng_args.append(path.join(tempdir, 'math.dvi'))
try:
p = Popen(dvipng_args, stdout=PIPE, stderr=PIPE)
- except OSError, err:
+ except OSError as err:
if err.errno != ENOENT: # No such file or directory
raise
self.builder.warn('dvipng command %r cannot be run (needed for math '
@@ -190,7 +190,7 @@ def get_tooltip(self, node):
def html_visit_math(self, node):
try:
fname, depth = render_math(self, '$'+node['latex']+'$')
- except MathExtError, exc:
+ except MathExtError as exc:
msg = unicode(exc)
sm = nodes.system_message(msg, type='WARNING', level=2,
backrefs=[], source=node['latex'])
@@ -215,7 +215,7 @@ def html_visit_displaymath(self, node):
latex = wrap_displaymath(node['latex'], None)
try:
fname, depth = render_math(self, latex)
- except MathExtError, exc:
+ except MathExtError as exc:
sm = nodes.system_message(str(exc), type='WARNING', level=2,
backrefs=[], source=node['latex'])
sm.walkabout(self)