Fix some doc build issues.

Author: ionelmc

docs/conf.py

@@ -21,9 +21,9 @@
 author = 'Ionel Cristian Mărieș'
 copyright = f'{year}, {author}'
 try:
-    from pkg_resources import get_distribution
+    from importlib import metadata
 
-    version = release = get_distribution('hunter').version
+    version = release = metadata.version('hunter')
 except Exception:
     import traceback
 

docs/configuration.rst

@@ -4,7 +4,7 @@ Configuration
 
 Default predicates and action kwargs defaults can be configured via a ``PYTHONHUNTERCONFIG`` environment variable.
 
-All the :ref:`actions <reference:actions>` kwargs:
+All the :ref:`actions` kwargs:
 
 * ``klass``
 * ``stream``

docs/reference.rst

@@ -3,7 +3,7 @@ Reference
 
 .. _helpers-summary:
 
-.. highlights:: :ref:`reference:Helpers`
+.. highlights:: :ref:`Helpers`
 
 .. autosummary::
 
@@ -17,7 +17,7 @@ Reference
     hunter.Or
     hunter.Q
 
-.. highlights:: :ref:`reference:Actions`
+.. highlights:: :ref:`Actions`
 
 .. autosummary::
 
@@ -36,7 +36,7 @@ Reference
     The following (Predicates and Internals) have Cython implementations in modules prefixed with "_".
     They should be imported from the ``hunter`` module, not ``hunter.something`` to be sure you get the best available implementation.
 
-.. highlights:: :ref:`reference:Predicates`
+.. highlights:: :ref:`Predicates`
 
 .. autosummary::
 
@@ -48,7 +48,7 @@ Reference
     hunter.predicates.Query
     hunter.predicates.When
 
-.. highlights:: :ref:`reference:Internals`
+.. highlights:: :ref:`Internals`
 
 .. autosummary::
 

tox.ini

@@ -86,8 +86,6 @@ commands =
 
 [testenv:docs]
 usedevelop = true
-install_command =
-    python -m pip install --no-use-pep517 {opts} {packages}
 deps =
     -r{toxinidir}/docs/requirements.txt
 commands =