remove missing import even if its inside class

lib/python/pyflyby/_autoimp.py

@@ -878,13 +878,13 @@ def _visit_Store(self, fullname, value=None):
     def _remove_from_missing_imports(self, fullname):
         for missing_import in self.missing_imports:
             # If it was defined inside a class method, then it wouldn't have been added to
-            # the missing imports anyways.
+            # the missing imports anyways (except in that case of annotations)
             # See the following tests:
             # - tests.test_autoimp.test_method_reference_current_class
             # - tests.test_autoimp.test_find_missing_imports_class_name_1
             # - tests.test_autoimp.test_scan_for_import_issues_class_defined_after_use
             inside_class = missing_import[1].scope_info.get('_in_class_def')
-            if missing_import[1].startswith(fullname) and not inside_class:
+            if missing_import[1].startswith(fullname):
                 self.missing_imports.remove(missing_import)
 
     def _get_scope_info(self):

tests/test_autoimp.py

@@ -521,7 +521,6 @@ def foo():
     assert unused == []
 
 
-
 def test_find_missing_imports_class_name_1():
     code = dedent(
         """