First implementation to be ready to complete corrupt imports. Working ok.

jedi/parser/pgen2/parse.py

@@ -141,7 +141,7 @@ class Parser(object):
                         # Done parsing, but another token is input
                         raise ParseError("too much input", type, value, start_pos)
                 else:
-                    self.error_recovery(self.grammar, self.stack, type, value)
+                    self.error_recovery(self.grammar, self.stack, type, value, start_pos)
                     break
 
     def classify(self, type, value, start_pos):