PY-3968

python/src/com/jetbrains/python/psi/impl/PyFileImpl.java

@@ -288,7 +288,7 @@ public class PyFileImpl extends PsiFileBase implements PyFile, PyExpression {
     // http://stackoverflow.com/questions/6048786/from-module-import-in-init-py-makes-module-name-visible
     if (PyNames.INIT_DOT_PY.equals(getName())) {
       final PyQualifiedName qName = stub.getImportSourceQName();
-      if (qName.endsWith(name)) {
+      if (qName != null && qName.endsWith(name)) {
         final PsiElement element = PyUtil.turnInitIntoDir(ResolveImportUtil.resolveFromImportStatementSource(stub.getPsi()));
         if (element != null && element.getParent() == getContainingDirectory()) {
           return element;

python/src/com/jetbrains/python/psi/stubs/PyFromImportStatementStub.java

@@ -3,11 +3,13 @@ package com.jetbrains.python.psi.stubs;
 import com.intellij.psi.stubs.StubElement;
 import com.jetbrains.python.psi.PyFromImportStatement;
 import com.jetbrains.python.psi.impl.PyQualifiedName;
+import org.jetbrains.annotations.Nullable;
 
 /**
  * @author yole
  */
 public interface PyFromImportStatementStub extends StubElement<PyFromImportStatement> {
+  @Nullable
   PyQualifiedName getImportSourceQName();
   boolean isStarImport();
   int getRelativeLevel();