diff --git a/noxfile.py b/noxfile.py
index 9e14b49..f82e6cc 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -30,7 +30,7 @@
     "safety",
     # "mypy",
     "tests",
-   # "typeguard",
+    # "typeguard",
     "xdoctest",
     "docs-build",
 )
@@ -165,7 +165,7 @@ def tests(session: Session) -> None:
             session.notify("coverage", posargs=[])
 
 
-@session(python=python_versions)
+@session(python=python_versions[2])
 def coverage(session: Session) -> None:
     """Produce the coverage report."""
     args = session.posargs or ["report"]