Fix appending inline tables to tables

Author: sdispater

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Change Log
 
+## [Unreleased]
+
+### Fixed
+
+- Fixed appending inline tables to tables.
+
+
 ## [0.5.5] - 2019-07-01
 
 ### Fixed

tests/test_toml_document.py

@@ -422,6 +422,7 @@ def test_getting_inline_table_is_still_an_inline_table():
 name = "foo"
 
 [tool.poetry.dependencies]
+[tool.poetry.dev-dependencies]
 """
 
     doc = parse(content)
@@ -430,7 +431,10 @@ def test_getting_inline_table_is_still_an_inline_table():
     dependencies["foo"] = tomlkit.inline_table()
     dependencies["foo"]["version"] = "^2.0"
     dependencies["foo"]["source"] = "local"
-    doc["tool"]["poetry"] = poetry_section
+    dependencies["bar"] = tomlkit.inline_table()
+    dependencies["bar"]["version"] = "^3.0"
+    dependencies["bar"]["source"] = "remote"
+    # doc["tool"]["poetry"] = poetry_section
 
     assert (
         """\
@@ -439,6 +443,8 @@ def test_getting_inline_table_is_still_an_inline_table():
 
 [tool.poetry.dependencies]
 foo = {version = "^2.0", source = "local"}
+bar = {version = "^3.0", source = "remote"}
+[tool.poetry.dev-dependencies]
 """
         == doc.as_string()
     )

tomlkit/items.py

@@ -1000,6 +1000,9 @@ def __setitem__(self, key, value):  # type: (Union[Key, str], Any) -> None
         if key is not None:
             super(Table, self).__setitem__(key, value)
 
+        if self._value.last_item() is value and "\n" not in value.trivia.trail:
+            value.trivia.trail += "\n"
+
         m = re.match("(?s)^[^ ]*([ ]+).*$", self._trivia.indent)
         if not m:
             return