PY-16412 Import Type for annotations containing types of class objects

python/src/com/jetbrains/python/codeInsight/intentions/PyTypeHintGenerationUtil.java

@@ -304,6 +304,9 @@ public class PyTypeHintGenerationUtil {
         collectImportTargetsFromType(pyType, classes, names);
       }
     }
+    if (type instanceof PyInstantiableType && ((PyInstantiableType)type).isDefinition()) {
+      names.add("Type");
+    }
   }
 
   public static final class AnnotationInfo {

python/testData/intentions/PyAnnotateVariableTypeIntentionTest/annotationClassObjectType.py

@@ -0,0 +1,5 @@
+class Foo:
+    pass
+
+
+va<caret>r = Foo

python/testData/intentions/PyAnnotateVariableTypeIntentionTest/annotationClassObjectType_after.py

@@ -0,0 +1,8 @@
+from typing import Type
+
+
+class Foo:
+    pass
+
+
+var: [Type[Foo]] = Foo

python/testSrc/com/jetbrains/python/intentions/PyAnnotateVariableTypeIntentionTest.java

@@ -199,6 +199,10 @@ public class PyAnnotateVariableTypeIntentionTest extends PyIntentionTestCase {
     doAnnotationTest();
   }
 
+  public void testAnnotationClassObjectType() {
+    doAnnotationTest();
+  }
+
   private void doAnnotationTest() {
     doTest(LanguageLevel.PYTHON36);
   }