Update conf.py

Fix excessive whitespace.

Author: x0root

Doc/conf.py

@@ -10,7 +10,6 @@
 import os
 import sys
 import time
-
 import sphinx
 
 # Make our custom extensions available to Sphinx
@@ -50,7 +49,6 @@
 else:
     extensions.append('sphinxext.opengraph')
 
-
 doctest_global_setup = '''
 try:
     import _tkinter