Merge branch '2.x' into 3.x

CHANGES

@@ -68,7 +68,7 @@ Bugs fixed
 Testing
 --------
 
-Release 2.4.2 (in development)
+Release 2.4.3 (in development)
 ==============================
 
 Dependencies
@@ -86,18 +86,25 @@ Features added
 Bugs fixed
 ----------
 
+Testing
+--------
+
+Release 2.4.2 (released Feb 19, 2020)
+=====================================
+
+Bugs fixed
+----------
+
 * #7138: autodoc: ``autodoc.typehints`` crashed when variable has unbound object
   as a value
 * #7156: autodoc: separator for keyword only arguments is not shown
 * #7146: autodoc: IndexError is raised on suppressed type_comment found
 * #7161: autodoc: typehints extension does not support parallel build
+* #7178: autodoc: TypeError is raised on fetching type annotations
 * #7151: crashed when extension assigns a value to ``env.indexentries``
 * #7170: text: Remove debug print
 * #7137: viewcode: Avoid to crash when non-python code given
 
-Testing
---------
-
 Release 2.4.1 (released Feb 11, 2020)
 =====================================
 

sphinx/ext/autodoc/__init__.py

@@ -1266,7 +1266,7 @@ class DataDocumenter(ModuleLevelDocumenter):
         if not self.options.annotation:
             # obtain annotation for this data
             annotations = getattr(self.parent, '__annotations__', {})
-            if self.objpath[-1] in annotations:
+            if annotations and self.objpath[-1] in annotations:
                 objrepr = stringify_typehint(annotations.get(self.objpath[-1]))
                 self.add_line('   :type: ' + objrepr, sourcename)
             else:
@@ -1454,7 +1454,7 @@ class AttributeDocumenter(DocstringStripSignatureMixin, ClassLevelDocumenter):
             if not self._datadescriptor:
                 # obtain annotation for this attribute
                 annotations = getattr(self.parent, '__annotations__', {})
-                if self.objpath[-1] in annotations:
+                if annotations and self.objpath[-1] in annotations:
                     objrepr = stringify_typehint(annotations.get(self.objpath[-1]))
                     self.add_line('   :type: ' + objrepr, sourcename)
                 else: