Fix SyntaxError on Python 3

jayvdb · jayvdb · commit fa592e922c9e · 2015-12-21T12:36:13.000+11:00
diff --git a/unit/threading_test.py b/unit/threading_test.py
@@ -37,7 +37,7 @@ def png_thread(tn):
             ax.hist(vals, 50)
             FigureCanvas(fig).print_png(png_f)
 
-        except Exception, excp:
+        except Exception as excp:
             pass
 
         png_f.close()
