fix a problem with python3

jedi/api_classes.py

@@ -192,7 +192,7 @@ class Completion(BaseDefinition):
                 return [self]
 
             self._followed_definitions = \
-                            [BaseDefinition(d, start_pos=None) for d in defs]
+                            [BaseDefinition(d, d.start_pos) for d in defs]
             evaluate.clear_caches()
 
         return self._followed_definitions

jedi/dynamic.py

@@ -462,7 +462,7 @@ def check_flow_information(flow, search_name, pos):
     result = []
     if isinstance(flow, parsing.Scope) and not result:
         for ass in reversed(flow.asserts):
-            if ass.start_pos > pos:
+            if pos is None or ass.start_pos > pos:
                 continue
             result = check_statement_information(ass, search_name)
             if result:

test/regression.py

@@ -301,7 +301,7 @@ class TestSpeed(Base):
                 for i in range(number):
                     func(self)
                 single_time = (time.time() - first) / number
-                print('speed', func, single_time)
+                print('\nspeed', func, single_time)
                 assert single_time < time_per_run
             return wrapper
         return decorated