ext: pep8 fixes

1 files changed, 8 insertions, 2 deletions

diff --git a/sphinx/ext/pngmath.py b/sphinx/ext/pngmath.py
index 374b7ab32..b0d3fafbb 100644
--- a/sphinx/ext/pngmath.py
+++ b/sphinx/ext/pngmath.py
@@ -28,6 +28,7 @@ from sphinx.util.osutil import ensuredir, ENOENT, cd
 from sphinx.util.pycompat import sys_encoding
 from sphinx.ext.mathbase import setup_math as mathbase_setup, wrap_displaymath
 
+
 class MathExtError(SphinxError):
     category = 'Math extension error'
 
@@ -67,6 +68,7 @@ DOC_BODY_PREVIEW = r'''
 
 depth_re = re.compile(br'\[\d+ depth=(-?\d+)\]')
 
+
 def render_math(self, math):
     """Render the LaTeX math expression *math* using latex and dvipng.
 
@@ -166,6 +168,7 @@ def render_math(self, math):
 
     return relfn, depth
 
+
 def cleanup_tempdir(app, exc):
     if exc:
         return
@@ -176,11 +179,13 @@ def cleanup_tempdir(app, exc):
     except Exception:
         pass
 
+
 def get_tooltip(self, node):
     if self.builder.config.pngmath_add_tooltips:
         return ' alt="%s"' % self.encode(node['latex']).strip()
     return ''
 
+
 def html_visit_math(self, node):
     try:
         fname, depth = render_math(self, '$'+node['latex']+'$')
@@ -202,6 +207,7 @@ def html_visit_math(self, node):
         self.body.append(c + '/>')
     raise nodes.SkipNode
 
+
 def html_visit_displaymath(self, node):
     if node['nowrap']:
         latex = node['latex']
@@ -224,8 +230,8 @@ def html_visit_displaymath(self, node):
         self.body.append('<span class="math">%s</span></p>\n</div>' %
                          self.encode(node['latex']).strip())
     else:
-        self.body.append(('<img src="%s"' % fname) + get_tooltip(self, node)
-                         + '/></p>\n</div>')
+        self.body.append(('<img src="%s"' % fname) + get_tooltip(self, node) +
+                         '/></p>\n</div>')
     raise nodes.SkipNode