docs: fix build

docs/conf.py

@@ -17,12 +17,14 @@
 # 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.
 
-# Get version number from nanite._version file
 import pathlib
 import matplotlib
 import mock
 import os.path as op
 import sys
+import tomllib
+import nanite
+
 # parent directory
 pdir = op.dirname(op.dirname(op.abspath(__file__)))
 # include extensions
@@ -91,14 +93,12 @@
 # General information about the project.
 project = 'nanite'
 github_project = 'AFM-Analysis/' + project
-credits_path = pathlib.Path(__file__).parent.parent / "CREDITS"
-if credits_path.exists():
-    authors = [c.strip() for c in credits_path.read_text().split("\n")
-               if c and not c.startswith("#")]
-else:
-    authors = ["Paul Müller"]
-copyright = '2018, Paul Müller'
+
+with (pathlib.Path(__file__).parent.parent / "pyproject.toml").open("rb") as f:
+    data = tomllib.load(f)
+authors = [a["name"] for a in data["project"]["authors"]]
 author = ", ".join(authors)
+copyright = '2015, ' + author
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -108,8 +108,7 @@
 #
 # The full version, including alpha/beta/rc tags.
 # This gets 'version'
-exec(open(op.join(pdir, "nanite/_version.py")).read())
-release = version  # noqa: F821
+release = nanite.__version__
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
 #