Fix docs warning (#1706)

Closes #1705.

Authors:
  - Bradley Dice (https://github.com/bdice)

Approvers:
  - GALI PREM SAGAR (https://github.com/galipremsagar)

URL: #1706

python/rmm/docs/conf.py

@@ -12,6 +12,7 @@
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #
+import datetime
 import os
 import re
 
@@ -22,8 +23,8 @@
 # -- Project information -----------------------------------------------------
 
 project = "rmm"
-copyright = "2020-2023, NVIDIA"
-author = "NVIDIA"
+copyright = f"2018-{datetime.datetime.today().year}, NVIDIA Corporation"
+author = "NVIDIA Corporation"
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -118,19 +119,6 @@
 
 html_theme = "sphinx_rtd_theme"
 
-# on_rtd is whether we are on readthedocs.org
-on_rtd = os.environ.get("READTHEDOCS", None) == "True"
-
-if not on_rtd:
-    # only import and set the theme if we're building docs locally
-    # otherwise, readthedocs.org uses their theme by default,
-    # so no need to specify it
-    import sphinx_rtd_theme
-
-    html_theme = "sphinx_rtd_theme"
-    html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
-
-
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
 # documentation.