'yield' parsing fixed

python/src/com/jetbrains/python/parsing/StatementParsing.java

@@ -135,6 +135,7 @@ public class StatementParsing extends Parsing {
     PsiBuilder.Marker exprStatement = builder.mark();
     if (builder.getTokenType() == PyTokenTypes.YIELD_KEYWORD) {
       getExpressionParser().parseYieldOrTupleExpression(builder, false);
+      checkEndOfStatement(builder, inSuite);
       exprStatement.done(PyElementTypes.EXPRESSION_STATEMENT);
       return;
     }

python/testData/psi/YieldStatement.py

@@ -1,2 +1,4 @@
 def f():
-  yield 42
+  yield 42
+
+f()

python/testData/psi/YieldStatement.txt

@@ -14,4 +14,12 @@ PyFile:YieldStatement.py
           PsiElement(Py:YIELD_KEYWORD)('yield')
           PsiWhiteSpace(' ')
           PyNumericLiteralExpression
-            PsiElement(Py:INTEGER_LITERAL)('42')
+            PsiElement(Py:INTEGER_LITERAL)('42')
+  PsiWhiteSpace('\n\n')
+  PyExpressionStatement
+    PyCallExpression: f
+      PyReferenceExpression: f
+        PsiElement(Py:IDENTIFIER)('f')
+      PyArgumentList
+        PsiElement(Py:LPAR)('(')
+        PsiElement(Py:RPAR)(')')