diff --git a/openedx/core/djangoapps/content/block_structure/store.py b/openedx/core/djangoapps/content/block_structure/store.py
index 43de5cc478..b35b92f61b 100644
--- a/openedx/core/djangoapps/content/block_structure/store.py
+++ b/openedx/core/djangoapps/content/block_structure/store.py
@@ -213,7 +213,7 @@ class BlockStructureStore(object):
         except Exception:
             # Somehow failed to de-serialized the data, assume it's corrupt.
             bs_model = self._get_model(root_block_usage_key)
-            logger.exception("BlockStructure: Failed to load data from cache for %s", bs_model)
+            logger.exception(u"BlockStructure: Failed to load data from cache for %s", bs_model)
             raise BlockStructureNotFound(bs_model.data_usage_key)
 
         return BlockStructureFactory.create_new(
diff --git a/openedx/core/lib/edx_api_utils.py b/openedx/core/lib/edx_api_utils.py
index 3c9ca66f42..237c7b5ac5 100644
--- a/openedx/core/lib/edx_api_utils.py
+++ b/openedx/core/lib/edx_api_utils.py
@@ -58,7 +58,7 @@ def get_edx_api_data(api_config, resource, api, resource_id=None, querystring=No
         if cached:
             try:
                 cached_response = zunpickle(cached)
-            except Exception:
+            except Exception:  # pylint: disable=broad-except
                 # Data is corrupt in some way.
                 log.warning("Data for cache is corrupt for cache key %s", cache_key)
                 cache.delete(cache_key)