diff --git a/evaluate.py b/evaluate.py
index 19a054d5..77e223ef 100644
--- a/evaluate.py
+++ b/evaluate.py
@@ -661,7 +661,7 @@ class Generator(object):
         return self.func.parent
         #self.execution.get_return_types()
 
-    def get_index_types(self, index):
+    def get_index_types(self, index=None):
         # TODO check if this method is right here, this means that Generators
         # can be indexed, which is not the Python way.
         return Execution(self.func).get_return_types(True)
diff --git a/ftest.py b/ftest.py
index 842b8d07..9d1405f3 100755
--- a/ftest.py
+++ b/ftest.py
@@ -7,7 +7,7 @@ functions.debug.ignored_modules = ['parsing', 'builtin']
 #functions.debug.ignored_modules = ['parsing', 'builtin', 'evaluate', 'modules']
 functions.modules.builtin.module_find_path.insert(0, '.')
 
-f_name = 'parsetest.py'
+f_name = 'functions.py'
 #f_name = 'test/completion/classes.py'
 import os
 path = os.path.join(os.getcwd(), f_name)
@@ -15,7 +15,7 @@ path = os.path.join(os.getcwd(), f_name)
 f = open(path)
 code = f.read()
 for i in range(1):
-    completions = functions.complete(code, 180, 200, path)
+    completions = functions.complete(code, 163, 200, path)
     #completions = functions.get_definitions(code, 181, 2, path)
     #completions = functions.complete(code, 42, 200, path)
 
diff --git a/plugin/jedi.vim b/plugin/jedi.vim
index 348f5746..e1ff93d2 100644
--- a/plugin/jedi.vim
+++ b/plugin/jedi.vim
@@ -41,7 +41,7 @@ if 1:
                 out.append(d)
 
             strout = str(out)
-        except Exception:
+        except (Exception, evaluate.MultiLevelAttributeError):
             # print to stdout, will be in :messages
             print(traceback.format_exc())
             strout = ''
@@ -67,7 +67,7 @@ if 1:
         definitions = functions.get_definitions(source, row, column, buf_path)
     except functions.NotFoundError:
         msg = 'There is no useful expression under the cursor'
-    except Exception:
+    except (Exception, evaluate.MultiLevelAttributeError):
         # print to stdout, will be in :messages
         print(traceback.format_exc())
         msg = "Some different eror, this shouldn't happen"
@@ -99,6 +99,7 @@ sys.path.insert(0, dirname(dirname(vim.eval('s:current_file'))))
 import traceback  # for exception output
 
 import functions
+import evaluate
 PYTHONEOF
 
 " vim: set et ts=4: