Fix a recursion issue and add a test.

jedi/evaluate/__init__.py

@@ -275,7 +275,7 @@ class Evaluator(object):
                 return self._eval_element_not_cached(element)
         return self._eval_element_cached(element)
 
-    @memoize_default(evaluator_is_first_arg=True)
+    @memoize_default(default=set(), evaluator_is_first_arg=True)
     def _eval_element_cached(self, element):
         return self._eval_element_not_cached(element)
 

jedi/evaluate/iterable.py

@@ -183,7 +183,6 @@ class Comprehension(IterableWrapper):
         last_comp = list(comp_for.get_comp_fors())[-1]
         return helpers.deep_ast_copy(self._get_comprehension().children[index], parent=last_comp)
 
-    @memoize_default()
     def _iterate(self):
         def nested(comp_fors):
             comp_for = comp_fors[0]

jedi/evaluate/recursion.py

@@ -15,7 +15,6 @@ from jedi.evaluate import iterable
 def recursion_decorator(func):
     def run(evaluator, stmt, *args, **kwargs):
         rec_detect = evaluator.recursion_detector
-        # print stmt, len(self.node_statements())
         if rec_detect.push_stmt(stmt):
             return set()
         else:

test/completion/classes.py

@@ -308,6 +308,20 @@ Recursion().a
 #?
 Recursion().b
 
+
+class X():
+    def __init__(self):
+        self.recursive = [1, 3]
+
+    def annoying(self):
+        self.recursive = [self.recursive[0]]
+
+    def recurse(self):
+        self.recursive = [self.recursive[1]]
+
+#? int()
+X().recursive[0]
+
 # -----------------
 # ducktyping
 # -----------------

test/completion/comprehensions.py

@@ -172,5 +172,3 @@ def x():
     #? 22
     [a for a in h if hio]
     if hio: pass
-
-