NumpyResolveRater will not change member rate if NDARRAY type is not found

python/src/com/jetbrains/numpy/codeInsight/NumpyResolveRater.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2015 JetBrains s.r.o.
+ * Copyright 2000-2016 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.
@@ -30,7 +30,7 @@ public class NumpyResolveRater extends PyResolveResultRaterBase {
   public int getMemberRate(PsiElement member, PyType type, TypeEvalContext context) {
     if (member instanceof PsiNamedElement) {
       final PyType ndArray = PyTypeParser.getTypeByName(member, NumpyDocStringTypeProvider.NDARRAY);
-      if (PyTypeChecker.match(ndArray, type, context) &&
+      if (ndArray != null && PyTypeChecker.match(ndArray, type, context) &&
           PyNames.isRightOperatorName(((PsiNamedElement)member).getName())) {
         return 100;
       }

python/testSrc/com/jetbrains/python/Py3TypeTest.java

@@ -481,6 +481,17 @@ public class Py3TypeTest extends PyTestCase {
            "expr = sum([1, 2, 3])");
   }
 
+  public void testDecimalDividedByInt() {
+    doTest("Union[int, Decimal]",
+           "class Decimal(object):\n" +
+           "    def __div__(self, other):\n" +
+           "        \"\"\"\n" +
+           "        :rtype: Decimal" +
+           "        \"\"\"\n" +
+           "        pass\n" +
+           "expr = Decimal() / 5");
+  }
+
   private void doTest(final String expectedType, final String text) {
     myFixture.configureByText(PythonFileType.INSTANCE, text);
     final PyExpression expr = myFixture.findElementByText("expr", PyExpression.class);