Replace pkg_resources with importlib.metadata in docs config (#564)

* Initial plan

* Replace pkg_resources with importlib.metadata in docs/conf.py

Co-authored-by: dfm <350282+dfm@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: dfm <350282+dfm@users.noreply.github.com>

Author: Copilot

docs/conf.py

@@ -1,10 +1,10 @@
 # -*- coding: utf-8 -*-
 
-from pkg_resources import DistributionNotFound, get_distribution
+from importlib.metadata import PackageNotFoundError, version
 
 try:
-    __version__ = get_distribution("emcee").version
-except DistributionNotFound:
+    __version__ = version("emcee")
+except PackageNotFoundError:
     __version__ = "unknown version"
 
 

docs/requirements.txt

@@ -6,4 +6,3 @@ h5py
 celerite
 corner
 ipython
-setuptools