Issue #15501: Document exception classes in subprocess module.
Initial patch by Anton Barkovsky.
diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst
index 90a01d0..efd25d1 100644
--- a/Doc/library/subprocess.rst
+++ b/Doc/library/subprocess.rst
@@ -176,6 +176,26 @@
output.
+.. exception:: CalledProcessError
+
+ Exception raised when a process run by :func:`check_call` or
+ :func:`check_output` returns a non-zero exit status.
+
+ .. attribute:: returncode
+
+ Exit status of the child process.
+
+ .. attribute:: cmd
+
+ Command that was used to spawn the child process.
+
+ .. attribute:: output
+
+ Output of the child process if this exception is raised by
+ :func:`check_output`. Otherwise, ``None``.
+
+
+
.. _frequently-used-arguments:
Frequently Used Arguments