From 85138ff449916add6a5ccb5f0299163069ac1fcd Mon Sep 17 00:00:00 2001
From: Takeshi KOMIYA <i.tkomiya@gmail.com>
Date: Tue, 18 Feb 2020 00:23:23 +0900
Subject: [PATCH] Fix #7137: viewcode: Avoid to crash when non-python code
 given

---
 CHANGES                | 1 +
 sphinx/ext/viewcode.py | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGES b/CHANGES
index 1429e39d5..2dd62f02b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -22,6 +22,7 @@ Bugs fixed
 * #7146: autodoc: IndexError is raised on suppressed type_comment found
 * #7161: autodoc: typehints extension does not support parallel build
 * #7151: crashed when extension assigns a value to ``env.indexentries``
+* #7137: viewcode: Avoid to crash when non-python code given
 
 Testing
 --------
diff --git a/sphinx/ext/viewcode.py b/sphinx/ext/viewcode.py
index e9081c891..82c2111ef 100644
--- a/sphinx/ext/viewcode.py
+++ b/sphinx/ext/viewcode.py
@@ -66,11 +66,11 @@ def doctree_read(app: Sphinx, doctree: Node) -> None:
         if code_tags is None:
             try:
                 analyzer = ModuleAnalyzer.for_module(modname)
+                analyzer.find_tags()
             except Exception:
                 env._viewcode_modules[modname] = False  # type: ignore
                 return
 
-            analyzer.find_tags()
             code = analyzer.code
             tags = analyzer.tags
         else: