Dicts should be iterated by its keys (__iter__).

jedi/evaluate/iterable.py

@@ -307,8 +307,13 @@ class Array(IterableWrapper, ArrayMixin):
         While values returns the possible values for any array field, this
         function returns the value for a certain index.
         """
-        values = self._values()
-        for value in values:
+        if self.type == 'dict':
+            # Get keys.
+            iterate = set(k for k, v in self._items())
+        else:
+            iterate = self._items()
+
+        for value in iterate:
             yield self._evaluator.eval_element(value)
 
     def _values(self):
@@ -480,10 +485,6 @@ def py__iter__(evaluator, types):
             yield result
 
 
-def py__iter__types(evaluator, types):
-    return unite(py__iter__(evaluator, types))
-
-
 def get_iterator_types(evaluator, element):
     """Returns the types of any iterator (arrays, yields, __iter__, etc)."""
     iterators = []

test/completion/arrays.py

@@ -234,6 +234,11 @@ dic = {str(key): ''}
 #? str()
 dic['']
 
+
+for x in {1: 3.0, '': 1j}:
+    #? int() str()
+    x
+
 # -----------------
 # with variable as index
 # -----------------