--- a/docutil/docsvg.py	Mon Aug 21 20:17:19 2017 +0000
+++ b/docutil/docsvg.py	Mon Aug 21 23:22:58 2017 +0300
@@ -22,41 +22,46 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
-import wx, os, subprocess
+import wx
+import os
+import subprocess
+
 
 def get_inkscape_path():
     """ Return the Inkscape path """
     import _winreg
     svgexepath = _winreg.QueryValue(_winreg.HKEY_LOCAL_MACHINE,
-                 'Software\\Classes\\svgfile\\shell\\Inkscape\\command')
+                                    'Software\\Classes\\svgfile\\shell\\Inkscape\\command')
     svgexepath = svgexepath.replace('"%1"', '')
     return svgexepath.replace('"', '')
 
+
 def open_win_svg(svgexepath, svgfile):
     """ Open Inkscape on Windows platform """
     popenargs = [svgexepath]
-    if svgfile is not None :
+    if svgfile is not None:
         popenargs.append(svgfile)
     subprocess.Popen(popenargs).pid
 
+
 def open_lin_svg(svgexepath, svgfile):
     """ Open Inkscape on Linux platform """
     if os.path.isfile("/usr/bin/inkscape"):
-        os.system("%s %s &"%(svgexepath , svgfile))
-    
+        os.system("%s %s &" % (svgexepath, svgfile))
+
+
 def open_svg(svgfile):
     """ Generic function to open SVG file """
-    if wx.Platform == '__WXMSW__' :
+    if wx.Platform == '__WXMSW__':
         try:
             open_win_svg(get_inkscape_path(), svgfile)
-        except:
+        except Exception:
             wx.MessageBox("Inkscape is not found or installed !")
             return None
     else:
-        svgexepath = os.path.join("/usr/bin","inkscape")
+        svgexepath = os.path.join("/usr/bin", "inkscape")
         if(os.path.isfile(svgexepath)):
             open_lin_svg(svgexepath, svgfile)
         else:
             wx.MessageBox("Inkscape is not found or installed !")
             return None
-