review feedback updates
diff --git a/docs/x509.rst b/docs/x509.rst
index 36e9fab..1321891 100644
--- a/docs/x509.rst
+++ b/docs/x509.rst
@@ -284,7 +284,7 @@
:type: :class:`ObjectIdentifier`
- The extension OID.
+ The :ref:`extension OID <extension_oids>`.
.. attribute:: critical
@@ -485,6 +485,8 @@
Corresponds to the dotted string ``2.16.840.1.101.3.4.3.2"``. This is
a SHA256 digest signed by a DSA key.
+.. _extension_oids:
+
Extension OIDs
~~~~~~~~~~~~~~
diff --git a/src/cryptography/x509.py b/src/cryptography/x509.py
index 43ece92..556e5a3 100644
--- a/src/cryptography/x509.py
+++ b/src/cryptography/x509.py
@@ -177,9 +177,8 @@
raise ValueError("path_length must be None when ca is False")
if (
- path_length is not None and (not isinstance(
- path_length, six.integer_types
- ) or path_length < 0)
+ path_length is not None and
+ (not isinstance(path_length, six.integer_types) or path_length < 0)
):
raise TypeError(
"path_length must be a non-negative integer or None"