diff --git a/noxfile.py b/noxfile.py
index 5bc2343f..bea0fab5 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -411,11 +411,11 @@ def _connector_matrix(config: Config):
 @nox.session(name="matrix:all", python=False)
 def full_matrix(session: Session) -> None:
     """Output the full build matrix for Python & Exasol versions as JSON."""
-    from noxconfig import PROJECT_CONFIG
     from exasol.toolbox.nox._ci import (
         _exasol_matrix,
         _python_matrix,
     )
+    from noxconfig import PROJECT_CONFIG
     matrix = _python_matrix(PROJECT_CONFIG)
     matrix.update(_exasol_matrix(PROJECT_CONFIG))
     matrix.update(_connector_matrix(PROJECT_CONFIG))