A simple yield should not cause an error, fixes #1117

test/completion/generators.py

@@ -208,6 +208,14 @@ def x():
 #? int()
 next(x())
 
+# -----------------
+# statements
+# -----------------
+def x():
+    foo = yield
+    #?
+    foo
+
 # -----------------
 # yield from
 # -----------------