temporary interfaces subclass. let's see if we need to keep it

jedi/evaluate/interfaces.py

@@ -0,0 +1,3 @@
+class Iterable():
+    """Parent class of Generator and Array, exists due to import restrictions."""
+    pass

jedi/evaluate/recursion.py

@@ -11,6 +11,7 @@ from jedi.parser import representation as pr
 from jedi import debug
 from jedi import settings
 from jedi.evaluate import builtin
+from jedi.evaluate import interfaces
 
 
 class RecursionDecorator(object):
@@ -131,7 +132,7 @@ class ExecutionRecursionDecorator(object):
         if cls.execution_count > settings.max_executions:
             return True
 
-        if isinstance(execution.base, (er.Generator, er.Array)):
+        if isinstance(execution.base, interfaces.Iterable):
             return False
         module = execution.get_parent_until()
         if evaluate_generator or module == builtin.Builtin.scope:

jedi/evaluate/representation.py

@@ -25,6 +25,7 @@ from jedi.evaluate import builtin
 from jedi.evaluate import recursion
 from jedi import docstrings
 from jedi import dynamic
+from jedi.evaluate.interfaces import Iterable
 
 
 class Executable(pr.IsScope):
@@ -778,7 +779,7 @@ class Execution(Executable):
             (type(self).__name__, self._decorated)
 
 
-class Generator(use_metaclass(cache.CachedMetaClass, pr.Base)):
+class Generator(use_metaclass(cache.CachedMetaClass, pr.Base, Iterable)):
     """ Cares for `yield` statements. """
     def __init__(self, func, var_args):
         super(Generator, self).__init__()
@@ -824,7 +825,7 @@ class Generator(use_metaclass(cache.CachedMetaClass, pr.Base)):
         return "<%s of %s>" % (type(self).__name__, self.func)
 
 
-class Array(use_metaclass(cache.CachedMetaClass, pr.Base)):
+class Array(use_metaclass(cache.CachedMetaClass, pr.Base, Iterable)):
     """
     Used as a mirror to pr.Array, if needed. It defines some getter
     methods which are important in this module.