From 5e1f620af7ff5d2bb4205e398849e5395999a0cb Mon Sep 17 00:00:00 2001
From: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Date: Thu, 13 Aug 2020 16:40:45 -0700
Subject: [PATCH] fix some docstring crashes (#1593)

Allow removing some trailing whitespace
---
 src/black/__init__.py   |  2 +-
 tests/data/docstring.py | 18 +++++++++++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/black/__init__.py b/src/black/__init__.py
index 349da1e..36c0394 100644
--- a/src/black/__init__.py
+++ b/src/black/__init__.py
@@ -6063,7 +6063,7 @@ def _stringify_ast(
                 and field == "value"
                 and isinstance(value, str)
             ):
-                normalized = re.sub(r" *\n[ \t]+", "\n ", value).strip()
+                normalized = re.sub(r" *\n[ \t]*", "\n", value).strip()
             else:
                 normalized = value
             yield f"{'  ' * (depth+2)}{normalized!r},  # {value.__class__.__name__}"
diff --git a/tests/data/docstring.py b/tests/data/docstring.py
index f5adeb7..fcb8eb1 100644
--- a/tests/data/docstring.py
+++ b/tests/data/docstring.py
@@ -46,7 +46,7 @@ def zort():
 
 def poit():
   """
-  Lorem ipsum dolor sit amet.
+  Lorem ipsum dolor sit amet.       
 
   Consectetur adipiscing elit:
    - sed do eiusmod tempor incididunt ut labore
@@ -58,6 +58,14 @@ def poit():
   pass
 
 
+def under_indent():
+  """
+  These lines are indented in a way that does not
+make sense.
+  """
+  pass
+
+
 def over_indent():
   """
   This has a shallow indent
@@ -136,6 +144,14 @@ def poit():
     pass
 
 
+def under_indent():
+    """
+      These lines are indented in a way that does not
+    make sense.
+    """
+    pass
+
+
 def over_indent():
     """
     This has a shallow indent
-- 
2.39.2