fix lint

Author: Alexander Lenail

lib/galaxy/objectstore/azure_blob.py

@@ -18,7 +18,7 @@
 
 try:
     from azure.storage import CloudStorageAccount
-    from azure.storage.blob import BlockBlobService, PublicAccess
+    from azure.storage.blob import BlockBlobService
     from azure.common import AzureHttpError
 except ImportError:
     BlockBlobService = None
@@ -79,7 +79,6 @@ def _parse_config_xml(self, config_xml):
             log.debug("Object cache dir:    %s", self.staging_path)
             log.debug("       job work dir: %s", self.extra_dirs['job_work'])
 
-
         except Exception:
             # Toss it back up after logging, we can't continue loading at this point.
             log.exception("Malformed ObjectStore Configuration XML -- unable to continue")