Fix lint issues

Author: humitos

readthedocs/projects/search_indexes.py

@@ -86,7 +86,7 @@ def prepare_text(self, obj):
                 content = f.read()
         except IOError as e:
             log.info(
-                '(Search Index) Unable to index file: %',
+                '(Search Index) Unable to index file: %s',
                 file_path,
                 exc_info=True,
             )

readthedocs/projects/tasks.py

@@ -185,7 +185,7 @@ def run(self, version_pk):  # pylint: disable=arguments-differ
             return True
         except RepositoryError as e:
             # Do not log as ERROR handled exceptions
-            log.warning('There was an error with the repository: msg=%', e.msg)
+            log.warning('There was an error with the repository: msg=%s', e.msg)
         except Exception:
             # Catch unhandled errors when syncing
             log.exception(