diff --git a/lcviz/helper.py b/lcviz/helper.py
index d8c19a1..e6cd0df 100644
--- a/lcviz/helper.py
+++ b/lcviz/helper.py
@@ -140,8 +140,9 @@ def __init__(self, *args, **kwargs):
         self.app.vdocs = 'v0.4.1'  # TODO: testing only
         self.app.docs_link = f"https://lcviz.readthedocs.io/en/{self.app.vdocs}"
         for plugin in self.plugins.values():
-            # NOTE that plugins that need to override upstream docs_link should do so in an @observe('vdocs')
-            # rather than the init, since plugin instances have already been initialized
+            # NOTE that plugins that need to override upstream docs_link should do so in
+            # an @observe('vdocs') rather than the init, since plugin instances have
+            # already been initialized
             plugin._obj.vdocs = self.app.vdocs
 
     def load_data(self, data, data_label=None):
diff --git a/lcviz/plugins/metadata_viewer/metadata_viewer.py b/lcviz/plugins/metadata_viewer/metadata_viewer.py
index 4754c05..db32e16 100644
--- a/lcviz/plugins/metadata_viewer/metadata_viewer.py
+++ b/lcviz/plugins/metadata_viewer/metadata_viewer.py
@@ -38,4 +38,4 @@ def __init__(self, *args, **kwargs):
 
     @observe('vdocs')
     def _update_docs_link(self, *args):
-        self.docs_link = f"https://lcviz.readthedocs.io/en/{self.vdocs}/plugins.html#metadata-viewer"
\ No newline at end of file
+        self.docs_link = f"https://lcviz.readthedocs.io/en/{self.vdocs}/plugins.html#metadata-viewer"  # noqa
\ No newline at end of file
diff --git a/lcviz/plugins/subset_plugin/subset_plugin.py b/lcviz/plugins/subset_plugin/subset_plugin.py
index b799a66..c2c2a7e 100644
--- a/lcviz/plugins/subset_plugin/subset_plugin.py
+++ b/lcviz/plugins/subset_plugin/subset_plugin.py
@@ -24,4 +24,4 @@ def __init__(self, *args, **kwargs):
 
     @observe('vdocs')
     def _update_docs_link(self, *args):
-        self.docs_link = f"https://lcviz.readthedocs.io/en/{self.vdocs}/plugins.html#subset-tools"
\ No newline at end of file
+        self.docs_link = f"https://lcviz.readthedocs.io/en/{self.vdocs}/plugins.html#subset-tools"  # noqa