Fixed return types not showing for methods.

Fixes #219

CHANGELOG.rst

@@ -3,6 +3,15 @@ Changelog
 
 Versions follow `Semantic Versioning <https://semver.org/>`_ (``<major>.<minor>.<patch>``).
 
+TBC (TBC)
+---------
+
+Bug Fixes
+^^^^^^^^^
+* `#219 <https://github.com/readthedocs/sphinx-autoapi/issues/219>`:
+  Fixed return types not showing for methods.
+
+
 v1.4.0 (2020-06-07)
 -------------------
 

autoapi/templates/python/method.rst

@@ -1,6 +1,6 @@
 {%- if obj.display %}
 {% if sphinx_version >= (2, 1) %}
-.. method:: {{ obj.short_name }}({{ obj.args }})
+.. method:: {{ obj.short_name }}({{ obj.args }}){% if obj.return_annotation is not none %} -> {{ obj.return_annotation }}{% endif %}
    {% for property in obj.properties %}
    :{{ property }}:
    {% endfor %}

tests/python/py3example/example/example.py

@@ -53,6 +53,10 @@ class A:
         """My property."""
         return "prop"
 
+    def my_method(self) -> str:
+        """My method."""
+        return "method"
+
 
 async def async_function(self, wait: bool) -> int:
     if wait:

tests/python/test_pyintegration.py

@@ -1,5 +1,6 @@
 import io
 import os
+import re
 import shutil
 import sys
 from mock import patch, Mock, call
@@ -172,12 +173,17 @@ class TestPy3Module(object):
 
         assert "global_a :A" in example_file
 
+        assert "my_method(self) -> str" in example_file
+
     def test_async(self):
         example_path = "_build/text/autoapi/example/index.txt"
         with io.open(example_path, encoding="utf8") as example_handle:
             example_file = example_handle.read()
 
-        if sphinx.version_info >= (2, 1):
+        if sphinx.version_info >= (3, 1):
+            assert re.search("async_method[^\n]*:async:", example_file)
+            assert "async example.async_function" in example_file
+        elif sphinx.version_info >= (2, 1):
             assert "async async_method" in example_file
             assert "async example.async_function" in example_file
         else: