Fix sphinx issues (#485)

* update logo path in conf.py

* Update conf.py

* remove debugging line from conf.py

doc/conf.py

@@ -67,16 +67,15 @@ def __init__(self, units=None, calendar=None, formatted=False, names=False,
 # -- Project information -----------------------------------------------------
 
 project = u'MDTF Diagnostics'
-copyright = u'2022, Model Diagnostics Task Force'
+copyright = u'2023, Model Diagnostics Task Force'
 author = u'Model Diagnostics Task Force'
 
 # The short X.Y version
 version = u''
 # The full version, including alpha/beta/rc tags
-release = u'3.0'
+release = u'3.3'
 
 # only used for resolving relative links in markdown docs
-# use develop branch because that's what readthedocs is configured to use
 _project_github_url = 'https://github.com/NOAA-GFDL/MDTF-diagnostics/tree/main/'
 
 # -- General configuration ---------------------------------------------------
@@ -236,7 +235,7 @@ def __init__(self, units=None, calendar=None, formatted=False, names=False,
     'latex/latexmkrc'
 ]
 
-latex_logo = 'img/CPO_MAPP_MDTF_Logo.jpg'
+latex_logo = 'img/logo_MDTF.png'
 
 # # For "manual" documents, if this is true, then top-level headings are
 # # parts, not chapters.