Don't suggest converting variadic params in Py2 in case of positional args.

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

@@ -71,6 +71,10 @@ public class ConvertVariadicParamIntention extends PyBaseIntentionAction {
     final PyFunction function = PsiTreeUtil.getParentOfType(element, PyFunction.class);
 
     if (function != null) {
+      if (LanguageLevel.forElement(function).isOlderThan(LanguageLevel.PYTHON30) && function.getParameterList().hasPositionalContainer()) {
+        return false;
+      }
+
       final boolean caretInParameterList = PsiTreeUtil.isAncestor(function.getParameterList(), element, true);
 
       for (PyCallExpression call : findKeywordContainerCalls(function)) {

python/testData/intentions/convertVariadicParamPositionalContainerInPy2.py

@@ -0,0 +1,2 @@
+def foo(*args, **kwargs<caret>):
+    return kwargs["bar"]

python/testData/intentions/convertVariadicParamPositionalContainerInPy3.py

@@ -0,0 +1,2 @@
+def foo(*args, **kwargs<caret>):
+    return kwargs["bar"]

python/testData/intentions/convertVariadicParamPositionalContainerInPy3_after.py

@@ -0,0 +1,2 @@
+def foo(*args, bar, **kwargs<caret>):
+    return bar

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

@@ -231,6 +231,14 @@ public class  PyIntentionTest extends PyTestCase {
     doTest(PyBundle.message("INTN.convert.variadic.param"));
   }
 
+  public void testConvertVariadicParamPositionalContainerInPy2() {
+    doNegativeTest(PyBundle.message("INTN.convert.variadic.param"));
+  }
+
+  public void testConvertVariadicParamPositionalContainerInPy3() {
+    runWithLanguageLevel(LanguageLevel.PYTHON30, () -> doTest(PyBundle.message("INTN.convert.variadic.param")));
+  }
+
   public void testConvertTripleQuotedString() { //PY-2697
     doTest(PyBundle.message("INTN.triple.quoted.string"));
   }