diff --git a/gramps/gen/plug/report/_bibliography.py b/gramps/gen/plug/report/_bibliography.py
index 03aa1f7bc..b1a8016f8 100644
--- a/gramps/gen/plug/report/_bibliography.py
+++ b/gramps/gen/plug/report/_bibliography.py
@@ -23,8 +23,20 @@
 """
 Contain and organize bibliographic information.
 """
+
+#-------------------------------------------------------------------------
+#
+# Standard python modules
+#
+#-------------------------------------------------------------------------
 import string
 import math
+
+#-------------------------------------------------------------------------
+#
+# Gramps modules
+#
+#-------------------------------------------------------------------------
 from ...lib.citation import Citation as lib_Citation
 
 class Citation(object):
diff --git a/gramps/gen/plug/report/endnotes.py b/gramps/gen/plug/report/endnotes.py
index 434573d24..70c4ba5a5 100644
--- a/gramps/gen/plug/report/endnotes.py
+++ b/gramps/gen/plug/report/endnotes.py
@@ -26,10 +26,22 @@
 """
 Provide utilities for printing endnotes in text reports.
 """
-from ..docgen import FontStyle, ParagraphStyle, FONT_SANS_SERIF
-from ...lib import NoteType, Citation
+
+#-------------------------------------------------------------------------
+#
+# Standard python modules
+#
+#-------------------------------------------------------------------------
+
+#-------------------------------------------------------------------------
+#
+# Gramps modules
+#
+#-------------------------------------------------------------------------
 from ...const import GRAMPS_LOCALE as glocale
 _ = glocale.translation.gettext
+from ..docgen import FontStyle, ParagraphStyle, FONT_SANS_SERIF
+from ...lib import NoteType, Citation
 from ...utils.string import conf_strings
 
 def add_endnote_styles(style_sheet):