diff --git a/ocrd/ocrd/cli/workspace.py b/ocrd/ocrd/cli/workspace.py
index 250cc08b23..c75f3caa3b 100644
--- a/ocrd/ocrd/cli/workspace.py
+++ b/ocrd/ocrd/cli/workspace.py
@@ -56,7 +56,7 @@ def workspace_cli(ctx, directory, mets, mets_basename, mets_server_url, backup):
 
     A workspace comprises a METS file and a directory as point of reference.
 
-    Operates on the file system directly or via a METS server 
+    Operates on the file system directly or via a METS server
     (already running via some prior `server start` subcommand).
     """
     initLogging()
diff --git a/ocrd_models/ocrd_models/ocrd_file.py b/ocrd_models/ocrd_models/ocrd_file.py
index e8205a33d9..fd8cdd0684 100644
--- a/ocrd_models/ocrd_models/ocrd_file.py
+++ b/ocrd_models/ocrd_models/ocrd_file.py
@@ -235,7 +235,7 @@ def __init__(self, el, mimetype=None, pageId=None, loctype='OTHER', local_filena
             mimetype (string): ``@MIMETYPE`` of this ``mets:file``
             pageId (string): ``@ID`` of the physical ``mets:structMap`` entry corresponding to this ``mets:file``
             loctype (string): ``@LOCTYPE`` of this ``mets:file``
-            url (string): ignored XXX the remote/original file once we have proper mets:FLocat bookkeeping 
+            url (string): ignored XXX the remote/original file once we have proper mets:FLocat bookkeeping
             local_filename (): ``@xlink:href`` of this ``mets:file`` - XXX the local file once we have proper mets:FLocat bookkeeping
             ID (string): ``@ID`` of this ``mets:file``
         """
diff --git a/ocrd_validators/ocrd_validators/workspace_validator.py b/ocrd_validators/ocrd_validators/workspace_validator.py
index 4061cd8871..9fc9ec7f60 100644
--- a/ocrd_validators/ocrd_validators/workspace_validator.py
+++ b/ocrd_validators/ocrd_validators/workspace_validator.py
@@ -115,10 +115,10 @@ def validate(*args, **kwargs):
             resolver (:class:`ocrd.Resolver`): Resolver
             mets_url (string): URL of the METS file
             src_dir (string, None): Directory containing mets file
-            skip (list): Validation checks to omit. One or more of 
-                'mets_unique_identifier', 'mets_file_group_names', 
+            skip (list): Validation checks to omit. One or more of
+                'mets_unique_identifier', 'mets_file_group_names',
                 'mets_files', 'pixel_density', 'dimension', 'url',
-                'multipage', 'page', 'page_xsd', 'mets_xsd', 
+                'multipage', 'page', 'page_xsd', 'mets_xsd',
                 'mets_fileid_page_pcgtsid'
             download (boolean): Whether to download remote file references
                 temporarily during validation (like a processor would)