PY-16412 Import Tuple for parametrized types of tuples

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

@@ -305,6 +305,9 @@ public class PyTypeHintGenerationUtil {
           classes.add(pyClass);
         }
       }
+      else if (type instanceof PyTupleType) {
+        names.add("Tuple");
+      }
       for (PyType pyType : ((PyCollectionType)type).getElementTypes()) {
         collectImportTargetsFromType(pyType, classes, names);
       }

python/testData/intentions/PyAnnotateVariableTypeIntentionTest/annotationTupleType.py

@@ -0,0 +1 @@
+v<caret>ar = (1, 'foo', None)

python/testData/intentions/PyAnnotateVariableTypeIntentionTest/annotationTupleType_after.py

@@ -0,0 +1,3 @@
+from typing import Tuple
+
+var: [Tuple[int, str, None]] = (1, 'foo', None)

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

@@ -207,6 +207,10 @@ public class PyAnnotateVariableTypeIntentionTest extends PyIntentionTestCase {
     doAnnotationTest();
   }
 
+  public void testAnnotationTupleType() {
+    doAnnotationTest();
+  }
+
   private void doAnnotationTest() {
     doTest(LanguageLevel.PYTHON36);
   }