From a450eb7a7a48fd706c6cdbe6c35be63fd7ff13e6 Mon Sep 17 00:00:00 2001
From: Takeshi KOMIYA <i.tkomiya@gmail.com>
Date: Fri, 17 Aug 2018 10:32:58 +0900
Subject: [PATCH] Fix #5306: autodoc: ``getargspec()`` raises NameError for
 invalid typehints

---
 CHANGES                         | 1 +
 sphinx/ext/autodoc/inspector.py | 7 +++++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/CHANGES b/CHANGES
index e1724747670..f3282e509a6 100644
--- a/CHANGES
+++ b/CHANGES
@@ -30,6 +30,7 @@ Bugs fixed
 * autodoc: Optional types are wrongly rendered
 * #5291: autodoc crashed by ForwardRef types
 * #5211: autodoc: No docs generated for functools.partial functions
+* #5306: autodoc: ``getargspec()`` raises NameError for invalid typehints
 * #5298: imgmath: math_number_all causes equations to have two numbers in html
 
 Testing
diff --git a/sphinx/ext/autodoc/inspector.py b/sphinx/ext/autodoc/inspector.py
index 6e07c9547d1..be42237c656 100644
--- a/sphinx/ext/autodoc/inspector.py
+++ b/sphinx/ext/autodoc/inspector.py
@@ -130,8 +130,11 @@ def get_annotation(name):
         else:
             return value
 
-    introspected_hints = (typing.get_type_hints(function)  # type: ignore
-                          if typing and hasattr(function, '__code__') else {})
+    try:
+        introspected_hints = (typing.get_type_hints(function)  # type: ignore
+                              if typing and hasattr(function, '__code__') else {})
+    except Exception:
+        introspected_hints = {}
 
     fd = StringIO()
     fd.write('(')