Fix support for multi-line comments ending in what appear to be comments

2 files changed, 26 insertions, 1 deletions

diff --git a/isort/api.py b/isort/api.py
index 8d435b21..0aae7711 100644
--- a/isort/api.py
+++ b/isort/api.py
@@ -184,7 +184,7 @@ def sort_imports(
                     in_top_comment = False
                     first_comment_index_end = index - 1
 
-            if not stripped_line.startswith("#") and '"' in line or "'" in line:
+            if (not stripped_line.startswith("#") or in_quote) and '"' in line or "'" in line:
                 char_index = 0
                 if first_comment_index_start == -1 and (
                     line.startswith('"') or line.startswith("'")
diff --git a/tests/test_isort.py b/tests/test_isort.py
index e5072b0f..451af9e2 100644
--- a/tests/test_isort.py
+++ b/tests/test_isort.py
@@ -4213,3 +4213,28 @@ import os
 import sys
 """
     assert SortImports(file_contents=test_input).output == test_input
+
+
+def test_comment_look_alike():
+    """Test to ensure isort will handle what looks like a single line comment
+    at the end of a multi-line comment.
+    """
+    test_input = '''
+"""This is a multi-line comment
+
+ending with what appears to be a single line comment
+# Single Line Comment"""
+import sys
+import os
+'''
+    assert (
+        SortImports(file_contents=test_input).output
+        == '''
+"""This is a multi-line comment
+
+ending with what appears to be a single line comment
+# Single Line Comment"""
+import os
+import sys
+'''
+    )