Deprecate PyCallExpression.resolveCallee(PyResolveContext).

python/psi-api/src/com/jetbrains/python/psi/PyCallExpression.java

@@ -169,9 +169,11 @@ public interface PyCallExpression extends PyCallSiteExpression {
    * @param resolveContext resolve context
    * @return an object which contains callable, modifier, implicit offset and "implicitly resolved" flag.
    * Returns null if the callee cannot be resolved.
-   * @see PyCallExpression#multiResolveCallee(PyResolveContext)
+   * @deprecated Use {@link PyCallExpression#multiResolveCallee(PyResolveContext)} instead.
+   * This method will be removed in 2018.1.
    */
   @Nullable
+  @Deprecated
   default PyMarkedCallee resolveCallee(@NotNull PyResolveContext resolveContext) {
     final PyRatedMarkedCallee first = ContainerUtil.getFirstItem(multiResolveRatedCallee(resolveContext, 0));
     return first == null ? null : first.getMarkedCallee();

python/src/com/jetbrains/python/inspections/PyArgumentListInspection.java

@@ -1,18 +1,6 @@
-/*
- * Copyright 2000-2017 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2017 JetBrains s.r.o.
+// Use of this source code is governed by the Apache 2.0 license that can be
+// found in the LICENSE file.
 package com.jetbrains.python.inspections;
 
 import com.google.common.collect.Lists;
@@ -83,7 +71,7 @@ public class PyArgumentListInspection extends PyInspection {
       final PyDecorator[] decorators = node.getDecorators();
       for (PyDecorator deco : decorators) {
         if (deco.hasArgumentList()) continue;
-        final PyCallExpression.PyMarkedCallee markedCallee = deco.resolveCallee(getResolveContext());
+        final PyCallExpression.PyMarkedCallee markedCallee = ContainerUtil.getFirstItem(deco.multiResolveCallee(getResolveContext()));
         if (markedCallee != null && !markedCallee.isImplicitlyResolved()) {
           final PyCallable callable = markedCallee.getCallable();
           if (callable == null) return;