lint

esrally/track/loader.py

@@ -1122,7 +1122,8 @@ def read(self, track_name, track_spec_file, mapping_dir):
                 track_spec = json.loads(rendered)
             except jinja2.exceptions.TemplateSyntaxError as te:
                 self.logger.exception("Could not load [%s] due to Jinja Syntax Exception.", track_spec_file)
-                msg = f"Could not load '{track_spec_file}' due to Jinja Syntax Exception. The track file ({tmp.name}) likely hasn't been writen"
+                msg = f"Could not load '{track_spec_file}' due to Jinja Syntax Exception."
+                msg += f"The track file ({tmp.name}) likely hasn't been writen"
                 raise TrackSyntaxError(msg, te)
             except jinja2.exceptions.TemplateNotFound:
                 self.logger.exception("Could not load [%s]", track_spec_file)
@@ -1702,7 +1703,7 @@ def parse_task(
         completed_by_name=None,
     ):
         if "operation" not in task_spec:
-            raise TrackSyntaxError("Operation missing from task spec %s in challenge '%s'.", task_spec, challenge_name)
+            raise TrackSyntaxError("Operation missing from task spec %s in challenge '%s'." % (task_spec, challenge_name))
         op_spec = task_spec["operation"]
         if isinstance(op_spec, str) and op_spec in ops:
             op = ops[op_spec]