Avoid recursion issues for the typing module

jedi/evaluate/pep0484.py

@@ -219,6 +219,14 @@ _typing_module = None
 _typing_module_code_lines = None
 
 
+class TypingModuleContext(ModuleContext):
+    """
+    TODO this is currently used for recursion checks. We should just completely
+    refactor the typing module integration.
+    """
+    pass
+
+
 def _get_typing_replacement_module(grammar):
     """
     The idea is to return our jedi replacement for the PEP-0484 typing module
@@ -263,7 +271,7 @@ def py__getitem__(context, typ, node):
         return context.eval_node(nodes[0])
 
     module_node, code_lines = _get_typing_replacement_module(context.evaluator.latest_grammar)
-    typing = ModuleContext(
+    typing = TypingModuleContext(
         context.evaluator,
         module_node=module_node,
         path=None,

jedi/evaluate/recursion.py

@@ -116,7 +116,9 @@ class ExecutionRecursionDetector(object):
         self._parent_execution_funcs.append(funcdef)
 
         module = execution.get_root_context()
-        if module == self._evaluator.builtins_module:
+
+        from jedi.evaluate.pep0484 import TypingModuleContext
+        if module == self._evaluator.builtins_module or isinstance(module, TypingModuleContext):
             # We have control over builtins so we know they are not recursing
             # like crazy. Therefore we just let them execute always, because
             # they usually just help a lot with getting good results.