add additional space before inline comment to satisfy py27-lint E261

Author: jrandall

cwltool/builder.py

@@ -44,7 +44,7 @@ def __init__(self):  # type: () -> None
         self.make_fs_access = None  # type: Type[StdFsAccess]
         self.build_job_script = None  # type: Callable[[List[str]], Text]
         self.debug = False  # type: bool
-        self.js_console = False # type: bool
+        self.js_console = False  # type: bool
         self.mutation_manager = None  # type: MutationManager
 
         # One of "no_listing", "shallow_listing", "deep_listing"