add year through code

docs/conf.py

@@ -12,6 +12,7 @@
 # serve to show the default.
 
 import sys
+from datetime import datetime
 from os import path
 
 # If your extensions are in another directory, add it here. If the directory
@@ -49,8 +50,8 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'Scrapy'
-copyright = u'2008–2020, Scrapy developers'
+project = 'Scrapy'
+copyright = '2008–{}, Scrapy developers'.format(datetime.now().year)
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -194,8 +195,8 @@ htmlhelp_basename = 'Scrapydoc'
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, document class [howto/manual]).
 latex_documents = [
-  ('index', 'Scrapy.tex', u'Scrapy Documentation',
-   u'Scrapy developers', 'manual'),
+  ('index', 'Scrapy.tex', 'Scrapy Documentation',
+   'Scrapy developers', 'manual'),
 ]
 
 # The name of an image file (relative to this directory) to place at the top of