Add None check to PrettifyTreeprocessor

Fixes Python-Markdown#1261.
polidano10 · May 25, 2022 · 96d27f1 · 96d27f1
1 parent cebe1de
commit 96d27f1
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diff --git a/docs/change_log/release-3.4.md b/docs/change_log/release-3.4.md
@@ -68,3 +68,4 @@ The following new features have been included in the 3.4 release:
 The following bug fixes are included in the 3.4 release:
 
 * Extension entry-points are only loaded if needed (#1216).
+* Added a `None` check to `PrettifyTreeprocessor` (#1261).
diff --git a/markdown/treeprocessors.py b/markdown/treeprocessors.py
@@ -432,5 +432,5 @@ def run(self, root):
         # Clean up extra empty lines at end of code blocks.
         pres = root.iter('pre')
         for pre in pres:
-            if len(pre) and pre[0].tag == 'code':
+            if len(pre) and pre[0].tag == 'code' and pre[0].text is not None:
                 pre[0].text = util.AtomicString(pre[0].text.rstrip() + '\n')
Original file line number	Diff line number	Diff line change
Expand Up		@@ -68,3 +68,4 @@ The following new features have been included in the 3.4 release:
		The following bug fixes are included in the 3.4 release:

		* Extension entry-points are only loaded if needed (#1216).
		* Added a `None` check to `PrettifyTreeprocessor` (#1261).