Restoring authorship annotation for Nikita Slyusarev <nslus@yandex-team.com>. Commit 2 of 2.

1 files changed, 17 insertions, 17 deletions

diff --git a/contrib/python/ipython/py2/IPython/lib/latextools.py b/contrib/python/ipython/py2/IPython/lib/latextools.py
index 5b3c93dc63..c3230dd489 100644
--- a/contrib/python/ipython/py2/IPython/lib/latextools.py
+++ b/contrib/python/ipython/py2/IPython/lib/latextools.py
@@ -39,24 +39,24 @@ class LaTeXTool(SingletonConfigurable):
         # for display style, the default ["matplotlib", "dvipng"] can
         # be used.  To NOT use dvipng so that other repr such as
         # unicode pretty printing is used, you can use ["matplotlib"].
-        ).tag(config=True) 
+        ).tag(config=True)
 
     use_breqn = Bool(
         True,
         help="Use breqn.sty to automatically break long equations. "
         "This configuration takes effect only for dvipng backend.",
-        ).tag(config=True) 
+        ).tag(config=True)
 
     packages = List(
         ['amsmath', 'amsthm', 'amssymb', 'bm'],
         help="A list of packages to use for dvipng backend. "
         "'breqn' will be automatically appended when use_breqn=True.",
-        ).tag(config=True) 
+        ).tag(config=True)
 
     preamble = Unicode(
         help="Additional preamble to use when generating LaTeX source "
         "for dvipng backend.",
-        ).tag(config=True) 
+        ).tag(config=True)
 
 
 def latex_to_png(s, encode=False, backend=None, wrap=False):
@@ -64,7 +64,7 @@ def latex_to_png(s, encode=False, backend=None, wrap=False):
 
     Parameters
     ----------
-    s : str 
+    s : str
         The raw string containing valid inline LaTeX.
     encode : bool, optional
         Should the PNG data base64 encoded to make it JSON'able.
@@ -97,24 +97,24 @@ def latex_to_png(s, encode=False, backend=None, wrap=False):
 def latex_to_png_mpl(s, wrap):
     try:
         from matplotlib import mathtext
-        from pyparsing import ParseFatalException 
+        from pyparsing import ParseFatalException
     except ImportError:
         return None
- 
+
     # mpl mathtext doesn't support display math, force inline
     s = s.replace('$$', '$')
     if wrap:
         s = u'${0}$'.format(s)
 
-    try: 
-        mt = mathtext.MathTextParser('bitmap') 
-        f = BytesIO() 
-        mt.to_png(f, s, fontsize=12) 
-        return f.getvalue() 
-    except (ValueError, RuntimeError, ParseFatalException): 
-        return None 
+    try:
+        mt = mathtext.MathTextParser('bitmap')
+        f = BytesIO()
+        mt.to_png(f, s, fontsize=12)
+        return f.getvalue()
+    except (ValueError, RuntimeError, ParseFatalException):
+        return None
+
 
- 
 def latex_to_png_dvipng(s, wrap):
     try:
         find_cmd('latex')
@@ -142,8 +142,8 @@ def latex_to_png_dvipng(s, wrap):
 
         with open(outfile, "rb") as f:
             return f.read()
-    except subprocess.CalledProcessError: 
-        return None 
+    except subprocess.CalledProcessError:
+        return None
     finally:
         shutil.rmtree(workdir)