Merge pull request #1718 from sariogonfer/master

fix error reporting: runner_alias attribute is now "alias"

mrjob/runner.py

@@ -409,7 +409,7 @@ def _fix_opts(self, opts, source=None):
         if not isinstance(opts, dict):
             raise TypeError(
                 'options for %s (from %s) must be a dict' %
-                self.runner_alias, source)
+                (self.alias, source))
 
         deprecated_aliases = _deprecated_aliases(self.OPT_NAMES)