Handle unexpected children in table

2 files changed, 14 insertions, 1 deletions

diff --git a/mammoth/conversion.py b/mammoth/conversion.py
index cbe207a..eb09ded 100644
--- a/mammoth/conversion.py
+++ b/mammoth/conversion.py
@@ -166,7 +166,10 @@ class _DocumentConverter(documents.element_visitor(args=1)):
     
     
     def visit_table(self, table, context):
-        body_index = find_index(lambda child: not child.is_header, table.children)
+        body_index = find_index(
+            lambda child: not isinstance(child, documents.TableRow) or not child.is_header,
+            table.children,
+        )
         if body_index is None:
             body_index = len(table.children)
             
diff --git a/tests/conversion_tests.py b/tests/conversion_tests.py
index 3fd9e34..9b81bf1 100644
--- a/tests/conversion_tests.py
+++ b/tests/conversion_tests.py
@@ -346,6 +346,16 @@ def tbody_is_omitted_if_all_rows_are_headers():
 
 
 @istest
+def unexpected_table_children_do_not_cause_error():
+    table = documents.table([
+        documents.tab(),
+    ])
+    result = convert_document_element_to_html(table)
+    expected_html = "<table>\t</table>"
+    assert_equal(expected_html, result.value)
+
+
+@istest
 def empty_cells_are_preserved_in_table():
     table = documents.table([
         documents.table_row([